Update to 2021.04.23
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| SN | XOSS ID | Other IDs | RA/DEC (J2000.0) | Host Name | Discovery.Date | Mag | Type | Discoverer/s (English) | References |
|---|---|---|---|---|---|---|---|---|---|
| 1 | XM08AA | C/2008 C1(Chen-Gao) | 2008.01.30.91573 (21:58:39 UT) | 13.4 V | Comet | Tao Chen and Xing Gao | MPEC IAU 8915 |
||
| 2 | XM08AD | V2468 Cyg | 19 58 33.00 +29 52 05 | Cyg | 2008.03.07.881 (21:08:38 UT) | 8.1 V | Nova | Zhangwei Jin and Xing Gao | CBET 1291 AAVSO VSX |
| 3 | XM08AE | V2491 Cyg | 19 43 02.00 +32 19 10.1 | Cyg | 2008.04.10.831 (19:59:38 UT) | 8.0 V | Nova | Zhangwei Jin and Xing Gao | IAU 8934 VSX |
| 4 | XM08AG | V1309 Sco | 17 57 32.00 -30 43 04.0 | Sco | 2008.09.02.6095 (14:37:41 UT) | 10.5 V | Nova | Guoyou Sun and Xing Gao | IAU 8972 CBET 1496 VSX |
| 5 | XM09AA | V5582 Sgr | 17 45 05.40 -20 03 21.5 | Sgr | 2009.02.23.94652 (22:42:59 UT) | 11.5 V | Nova | Guoyou Sun and Xing Gao | CBET 1816 IAU 9049 VSX |
| 6 | XM09AC | VSX J173309.1-202708 | 17 33 09.19 -20 27 08.0 | Oph | 2009.02.23 (22:43:00 UT) | 12.5 V | Mira | Guoyou Sun and Xing Gao | VSX |
| 7 | XM09AD | P/2009 L2(Yang-Gao) | 2009.06.15.80840 (19:24:06 UT) | 14.2 V | Comet | Rui Yang and Xing Gao | MPEC IAU 9052 |
||
| 8 | XM10AC | M31N 2010-09b | 00 43 45.10 +41 07 54.4 | M31 | 2010.09.30.67762 (16:15:46 UT) | 17.8 V | Nova Hybrid | Guoyou Sun and Xing Gao | CBET 2472 |
| 9 | XM10AD | PTF10acbu | 14 00 47.14 +59 20 16.8 | NGC 5430 | 2010.10.03.60524 (14:31:33 UT) | 17.2 V | SN Ic | Guoyou Sun and Xing Gao | CBET 2486 CBET 2600 ATEL 3088 |
| 10 | XM10AG | M31N 2010-10c | 00 44 26.59 +41 31 13.4 | M31 | 2010.10.13.55657 (13:21:28 UT) | 17.8 V | Nova FeII | Jiangao Ruan and Xing Gao | CBET 2500 |
| 11 | XM10AK | M31N 2010-10d (=Hornoch85) | 00 42 36.97 +41 19 28.7 | M31 | 2010.10.29.58676 (14:04:56 UT) | 18.5 V | Nova FeII | Guoyou Sun and Xing Gao | CBET 2516 |
| 12 | XM10BH | M33 2010-11a | 01 33 27.59 +30 17 28.7 | M33 | 2010.11.27.52970 (12:42:46 UT) | 18.6 V | Nova FeII/FeIIb | Jiangao Ruan and Xing Gao | ATEL 3063 |
| 13 | XM02JR | M31N 2010-12a (=RN M31N 1957-10b) (=ROTSE3 J004024.4+410404)> (=PT And) | 00 40 24.38 +41 04 03.6 | M31 | 2010.12.01.52049 (12:29:30 UT) | 16.3 V | Nova/UGWZ | Jiangao Ruan and Xing Gao | CBET 2574 VSX |
| 14 | XM08ZX | 546756 (=2010 XL71) (=2014 WR413) (=2018 VX61) | 2010.12.09.67354 (16:09:54 UT) | 20.1 V | Asteroid | Zhijian Xu and Xing Gao | MPC | ||
| 15 | XM01GS | M31N 2010-12b | 00 42 31.07 +41 27 20.4 | M31 | 2010.12.10.51463 (12:21:04 UT) | 16.1 V | Nova | Guoyou Sun and Xing Gao | CBET 2582 |
| 16 | XM08JR | M31N 2010-12c (=RN M31N 2010-01a) (=Hornoch87) | 00 42 56.66 +41 17 21.3 | M31 | 2010.12.15.52764 (12:39:48 UT) | 17.2 V | Nova | Jiangao Ruan and Xing Gao | CBET 2594 |
| 17 | XM02GS | M31N 2011-01a (=PNV J00424259+4119144) | 00 42 42.64 +41 19 14.6 | M31 | 2011.01.08.52704 (12:38:56 UT) | 18.0 V | Nova FeII | Guoyou Sun and Xing Gao | CBET 2631 |
| 18 | XM23ZX | 546846 (=2011 AA28) (=2018 VD42) | 2011.01.09.78154 (18:45:25 UT) | 19.7 V | Asteroid | Zhijian Xu and Xing Gao | MPC | ||
| 19 | XM02BW | M31N 2011-01b (=PNV J00423907+4113258) (=Hornoch89) | 00 42 39.07 +41 13 25.8 | M31 | 2011.01.16.51868 (12:26:54 UT) | 17.6 V | Nova | Bin Wang and Xing Gao | TOCP ATEL 3441 |
| 20 | XM03HT | M31N 2011-02a (=PNV J00420232+4129153) | 00 42 02.32 +41 29 15.3 | M31 | 2011.02.15.63233 (15:10:33 UT) | 18.8 V | Unknown | Hanjie Tan and Xing Gao | TOCP |
| 21 | XM18ZJ | SN 2011aj (=PSN J16501398+5522280) | 16 50 13.97 +55 22 28.0 | NGC 6246A | 2011.02.16.92404 (22:10:37 UT) | 17.7 V | SN Ia | Zhangwei Jin and Xing Gao | TNS CBET 2664 TOCP |
| 22 | XM19ZJ | M31N 2011-02d (=PNV J00440705+4117108) | 00 44 07.05 +41 17 10.8 | M31 | 2011.02.26.56029 (13:26:49 UT) | 18.5 V | Unknown | Zhangwei Jin and Xing Gao | TOCP |
| 23 | XM20ZJ | SN 2011by (=PSN J11554556+5519338) | 11 55 45.56 +55 19 33.8 | NGC 3972 | 2011.04.26.82344 (19:45:45 UT) | 14.2 R | SN Ia | Zhangwei Jin and Xing Gao | TNS CBET 2708 TOCP |
| 24 | XM22ZJ | PSN J10483782+6621363 | 10 48 37.82 +66 21 36.3 | PGC 32321 | 2011.06.27.69590 (16:42:06 UT) | 17.1 V | Unknown | Zhangwei Jin and Xing Gao | TOCP |
| 25 | XM23ZJ | SN 2011fs (=PSN J22171952+3534500) | 22 17 19.52 +35 34 50.0 | UGC 11975 | 2011.09.15.76927 (18:27:45 UT) | 16.8 V | SN Ia | Zhangwei Jin and Xing Gao | TNS CBET 2825 TOCP |
| 26 | XM04HT | M31N 2011-10a (=PNV J00425701+4117095) | 00 42 57.01 +41 17 09.5 | M31 | 2011.10.02.60330 (14:28:45 UT) | 18.2 R | Nova FeII | Hanjie Tan and Xing Gao | TOCP |
| 27 | XM24ZJ | SN 2011gy (=PSN J03293530+4052029) | 03 29 35.30 +40 52 02.9 | UGC 2756 | 2011.10.22.79529 (19:05:13 UT) | 15.8 V | SN Ia | Zhangwei Jin and Xing Gao | TNS TOCP |
| 28 | XM03GS | SN 2011hj (=PSN J18322232+6653466) | 18 32 22.32 +66 53 46.6 | PGC 2692384 | 2011.10.26.64963 (15:35:28 UT) | 17.9 V | SN IIP | Guoyou Sun and Xing Gao | TNS CBET 2981 TOCP |
| 29 | XM04GS | GALEX J215818.5 +241924 (=PNV J21581852+2419246) | 21 58 18.52 +24 19 24.6 | Peg | 2011.10.27.64362 (15:26:49 UT) | 14.5 V | Dwarf Nova/UGSU | Guoyou Sun and Xing Gao | TOCP ADS VSX |
| 30 | XM31ZX | 546842 (=2011 YD3) (=2015 VQ4) | 2011.12.21.68748 (16:29:58 UT) | 19.9 V | Asteroid | Zhijian Xu and Xing Gao | MPC | ||
| 31 | XM33ZX | 546845 (=2016 UB101) (=2011 YG3) | 2011.12.21.68748 (16:29:58 UT) | 19.7 V | Asteroid | Zhijian Xu and Xing Gao | MPC | ||
| 32 | XM09GS | 546049 (=2011 YL4) (=2014 SB45) | 2011.12.23.68166 (16:21:35 UT) | 20.1 V | Asteroid | Guoyou Sun and Xing Gao | MPC JPL |
||
| 33 | XM31ZJ | 546843 (=2011 YV27) (=2014 QK307) | 2011.12.27.69343 (16:38:32 UT) | 19.7 V | Asteroid | Zhangwei Jin and Xing Gao | MPC | ||
| 34 | XM35ZJ | PSN J16092659+6422447 | 16 09 26.59 +64 22 44.7 | CGCG 320-007 | 2012.01.04.96959 (23:16:13 UT) | 18.8 V | Unknown | Zhangwei Jin and Xing Gao | TOCP |
| 35 | XM37ZJ | SN 2012as (=PSN J15250852+3757494) | 15 25 08.46 +37 57 49.4 | UGC 9842 | 2012.02.14.91505 (21:57:40 UT) | 18.7 V | SN IIn/LBV | Zhangwei Jin and Xing Gao | TNS CBET 3044 TOCP |
| 36 | XM47ZX | M31N 2012-02c (=PNV J00432407+4119237) | 00 43 24.07 +41 19 23.7 | M31 | 2012.02.19.55821 (13:23:49 UT) | 18.9 V | Unknown | Zhijian Xu and Xing Gao | TOCP |
| 37 | XM48ZX | SN 2012ek (=PSN J18402884+3607174) | 18 40 28.84 +36 07 17.4 | PGC 62237 | 2012.08.18.80979 (19:26:06 UT) | 17.9 V | SN Ib | Zhijian Xu and Xing Gao | TNS CBET 3212 TOCP |
| 38 | XM54ZX | SN 2012gj (=PSN J19070073+2900166) | 19 07 00.73 +29 00 16.6 | UGC 11404 | 2012.11.12.55094 (13:13:21 UT) | 17.2 V | SN II | Zhijian Xu and Xing Gao | TNS CBET 3300 TOCP |
| 39 | XM05BW | SN 2012gq (=PSN J02524601+4655523) | 02 52 46.01 +46 55 52.3 | PGC 10886 | 2012.11.14.66703 (16:00:31 UT) | 17.7 V | SN II | Bin Wang and Xing Gao | TNS CBET 3307 TOCP |
| 40 | XM56ZX | SN 2012ig (=PSN J21142287+1514407) | 21 14 22.87 +15 14 40.7 | UGC 11706 | 2012.12.21.53473 (12:50:01 UT) | 16.6 V | SN Ia | Zhijian Xu and Xing Gao | TNS CBET 3364 TOCP |
| 41 | XM57ZX | SN 2013Q (=PSN J23470787+2929115) | 23 47 07.87 +29 29 11.5 | NGC 7753 | 2013.01.25.58041 (13:55:47 UT) | 17.5 V | SN Ia | Zhijian Xu and Xing Gao | TNS CBET 3401 TOCP |
| 42 | XM41ZJ | SN 2013ae (=PSN J02415316+4323589) | 02 41 53.16 +43 23 58.9 | ANONYMOUS | 2013.02.19.66120 (15:52:08 UT) | 16.2 V | SN Ia | Zhangwei Jin and Xing Gao | TNS CBET 3426 TOCP |
| 43 | XM42ZJ | M31N 2013-03a (=PNV J00422631+4213316) | 00 42 26.31 +42 13 31.6 | M31 | 2013.03.02.57039 (13:41:22 UT) | 17.9 V | Unknown | Zhangwei Jin and Xing Gao | TOCP |
| 44 | XM43ZJ | PSN J16545668+4303077 | 16 54 56.68 +43 03 07.7 | PGC 59251 | 2013.03.15.95301 (22:52:20 UT) | 18.6 V | SN II | Zhangwei Jin and Xing Gao | TOCP ATEL 4896 |
| 45 | XM44ZJ | SN 2013bi (=PSN J18250198+2731537) (=PSN J18250195+2731541) | 18 25 01.98 +27 31 53.7 | NGC 6632 | 2013.03.24.91344 (21:55:21 UT) | 16.4 V | SN IIP | Zhangwei Jin and Xing Gao | CBET 3481 TOCP TOCP |
| 46 | XM45ZJ | SN 2013cj (=PSN J17045295+1255104) (=CSS130530:170453+125510) | 17 04 52.95 +12 55 10.4 | UGC 10685 | 2013.05.09.87944 (21:06:24 UT) | 18.1 V | SN IIn | Zhangwei Jin and Xing Gao | CBET 3520 TOCP |
| 47 | XM06BW | SN 2013do (=PSN J22395067+3812443) | 22 39 50.67 +38 12 44.3 | PGC 69439 | 2013.06.16.82392 (19:46:27 UT) | 17.0 V | SN IIP | Bin Wang and Xing Gao | CBET 3571 TOCP |
| 48 | XM58ZX | SN 2013es (=PSN J14105017+5525240) | 14 10 50.17 +55 25 24.0 | ANONYMOUS | 2013.08.01.66671 (16:00:04 UT) | 18.1 V | SN IIP | Zhijian Xu and Xing Gao | CBET 3620 TOCP |
| 49 | XM59ZX | SN 2013fi (=PSN J03043856+4213494) | 03 04 38.56 +42 13 49.4 | PGC 2194789 | 2013.08.31.89247 (21:25:09 UT) | 18.1 V | SN Ia | Zhijian Xu and Xing Gao | TOCP |
| 50 | XM46ZJ | SN 2013fw (=PSN J21134481+1334335) | 21 13 44.81 +13 34 33.5 | NGC 7042 | 2013.10.22.63031 (15:07:39 UT) | 17.1 V | SN Ia | Zhangwei Jin and Xing Gao | TOCP ATEL 5507 |
| 51 | XM08BW | SN 2013gb (=PSN J08585252+4135001) | 08 58 52.52 +41 35 00.1 | PGC 25224 | 2013.10.31.85266 (20:27:50 UT) | 16.7 V | SN Ia | Bin Wang and Xing Gao | TOCP |
| 52 | XM47ZJ | SN 2013gg (=PSN J09210825+4935338) | 09 21 08.25 +49 35 33.8 | UGC 4958 | 2013.11.05.87031 (20:53:15 UT) | 17.9 V | SN IIP | Zhangwei Jin and Xing Gao | TOCP |
| 53 | XM09BW | TCP J18112014+1401319 | 18 11 20.14 +14 01 31.9 | Oph | 2013.11.14.51514 (12:21:48 UT) | 15.4 V | UG | Bin Wang and Xing Gao | TOCP VSX |
| 54 | XM01PS | SN 2013gt (=PSN J07213165+5545321) | 07 21 31.65 +55 45 32.1 | PGC 20784 | 2013.11.16.84411 (20:15:31 UT) | 17.6 V | SN Ia | Peiyuan Sun, Zhangwei Jin and Xing Gao | CBET 3737 TOCP |
| 55 | XM10BW | PSN J13100734+3410514 | 13 10 07.34 +34 10 51.4 | UGC 8246 | 2013.12.20.93169 (22:21:38 UT) | 17.7 V | LBV | Bin Wang and Xing Gao | TOCP |
| 56 | XM66ZX | SN 2014ak (=PSN J07484410+5436405) | 07 48 44.10 +54 36 40.5 | NGC 2446 | 2014.03.26.69009 (16:33:44 UT) | 17.9 V | SN Ia | Zhijian Xu and Xing Gao | CBET 3845 TOCP |
| 57 | XM67ZX | SN 2014av (=PSN J09002002+5229280) | 09 00 20.02 +52 29 28.0 | UGC 4713 | 2014.04.19.71716 (20:56:52 UT) | 16.2 V | SN Ibn | Zhijian Xu and Xing Gao | TOCP |
| 58 | XM11BW | PSN J21542359+1509224 | 21 54 23.59 +15 09 22.4 | IC 5145 | 2014.05.10.87282 (20:56:52 UT) | 18.2 V | Unknown | Bin Wang and Xing Gao | TOCP |
| 59 | XM68ZX | SN 2014ds (=PSN J08111645+2510474) | 08 11 16.45 +25 10 47.4 | NGC 2536 | 2014.10.11.93917 (22:32:24 UT) | 16.3 V | SN IIb | Zhijian Xu and Xing Gao | CBET 4010 TOCP |
| 60 | XM49ZJ | PSN J09330333+5940445 | 09 33 03.33 +59 40 44.5 | ANONYMOUS | 2014.12.27.71566 (17:10:33 UT) | 15.8 V | Unknown | Zhangwei Jin and Xing Gao | TOCP |
| 61 | XM50ZJ | SN 2015da (=PSN J13522411+3941286) | 13 52 24.11 +39 41 28.6 | NGC 5337 | 2015.01.09.89694 (21:31:36 UT) | 18.1 V | SN IIn | Zhangwei Jin and Xing Gao | TNS TOCP |
| 62 | XM51ZJ | SN 2015D (=PSN J13124116+1236018) | 13 12 41.13 +12 36 01.6 | NGC 5020 | 2015.01.18.90471 (15:47:01 UT) | 17.5 V | SN IIP | Zhangwei Jin and Xing Gao | TNS TOCP CBET 4051 ATEL 6965 |
| 63 | XM52ZJ | PSN J22171486+3534004 | 22 17 14.86 +35 34 00.4 | UGC 11975 | 2015.02.27.99709 (23:55:49 UT) | 16.1 V | Unknown | Zhangwei Jin and Xing Gao | TOCP |
| 64 | XM70ZX | PSN J02330480+3530396 | 02 33 04.80 +35 30 39.6 | PGC 9714 | 2015.03.15.58012 (13:55:22 UT) | 17.2 V | SN Ia | Zhijian Xu and Xing Gao | TOCP ATEL 7243 |
| 65 | XMAAGS | C/2015 F5(SWAN-XINGMING) | 2015.04.05 (15:47:01 UT) | 12.7 V | Comet | Guoyou Sun and Xing Gao | CBET 4091 MPEC |
||
| 66 | XM53ZJ | PSN J16025128+4713292 | 16 02 51.28 +47 13 29.2 | UGC 10156 | 2015.05.19.70152 (16:50:11 UT) | 16.6 V | SN Ia | Zhangwei Jin and Xing Gao | TOCP ATEL 7544 |
| 67 | XM72ZX | PSN J01101191+3313536 | 01 10 11.91 +33 13 53.6 | PGC 2027055 | 2015.08.17.82087 (19:42:03 UT) | 17.6 V | SN IIb | Zhijian Xu and Xing Gao | TOCP ATEL 7955 |
| 68 | XM22JR | PSN J04544410+6943075 | 04 54 44.10 +69 43 07.5 | PGC 16301 | 2015.09.11.87181 (20:55:24 UT) | 17.6 V | Unknown | Jiaming Liao, Jiangao Ruan and Xing Gao | TOCP |
| 69 | PSP15A | SN 2015cz (=PNV J01315945+3328458) | 01 31 59.45 +33 28 45.8 | NGC 582 | 2015.10.02.92241 (22:08:16 UT) | 16.5 V | SN IIP | Jiaming Liao, Guoyou Sun and Xing Gao | TNS TOCP ATEL 8102 |
| 70 | PSP15B | SN 2015ay (=PSN J01094677+1318289) (=CSS151008:010947+131829) | 01 09 46.77 +13 18 28.9 | PGC 4142 | 2015.10.03.83492 (20:02:17 UT) | 16.8 V | SN II | Jiaming Liao, Jianxing Chen, Jiayi Xu, Guoyou Sun and Xing Gao | TNS TOCP ATEL 8139 CBET 4204 |
| 71 | PSP16A | SN 2016M (=PS16ur) | 07 16 37.42 +67 53 31.4 | PGC 2707944 | 2016.01.15.65765 (15:47:01 UT) | 18.4 V | SN IIb | Zhijian Xu, Jiayi Xu, Hanjie Tan, Guoyou Sun and Xing Gao | TNS ATEL 8557 |
| 72 | PSP16C | AT 2016adm | 17 38 46.61 +59 22 22.4 | IC 1267 | 2016.02.06.96678 (23:12:10 UT) | 17.1 V | Unknown | Ang Li, Xu Guo, Cheng Ji, Peiyuan Sun and Xing Gao | TNS |
| 73 | PSP16B | M31N 2016-02a (=AT 2016adf) (=PNV J00444349+4153401) | 00 44 43.49 +41 53 40.1 | M31 | 2016.02.07.56656 (13:35:51 UT) | 18.1 V | Nova | Qiang Yin, Haochen Xue, Cheng Ji, Jiaming Liao, Mi Zhang, Aobo Wang, Yuxi Lv, Guoyou Sun and Xing Gao | TNS TOCP ATEL 8661 |
| 74 | PSP16D | SN 2016afa (=PS16biw) | 15 36 32.47 +16 36 36.7 | NGC 5962 | 2016.02.12.92281 (22:08:51 UT) | 17.1 V | SN II | Xi Liao, Wei Gao, Yang Shen, Ang Li, Di Hu, Jiu Zhou, Mi Zhang, Peiyuan Sun and Xing Gao | TNS |
| 75 | PSP16E | SN 2016ajo | 18 44 12.49 +24 09 29.7 | ANONYMOUS | 2016.02.20.99075 (23:46:41 UT) | 15.7 V | SN Ib | Yi Ding, Wei Gao and Xing Gao | TNS |
| 76 | PSP16F | SN 2016aqw (=PS16ars) (=Gaia16ajh) | 10 55 53.83 +36 51 48.0 | PGC 32850 | 2016.02.29.84178 (20:12:10 UT) | 18.0 V | SN II | Jiaxin Lou, Di Hu, Qianzhen Qiao, Wei Gao, Xi Liao, Sheng Liu, Shuzhang Li, Yang Shen, Ang Li, Liangjian Liao, Haochen Xue, Kui Yuan, Xiaowei Zhang, Cheng Ji, Yunxiang Yu, Qi Hui, Luze Li, Xiaobing Wang, Bin Tian, Qiang Yin, Guoyou Sun and Xing Gao | TNS ATEL 8770 |
| 77 | PSP16G | AT 2016aqx | 18 39 18.89 +38 56 09.1 | PGC 62205 | 2016.02.29.98125 (23:33:00 UT) | 17.7 V | Unknown | Wei Gao, Yang Shen, Ziheng Zhang, Di Hu, Haochen Xue, Mi Zhang, Qiang Yin, Yunxiang Yu, Jiayi Xu, Liangjian Liao, Yanwen Lou, Luze Li, Weizhaohuang Song, Shaoxiong Gu, Cheng Ji, Xiaobing Wang, Tianyu Tu, Aobo Wang, Shulei Yin, Guoyou Sun and Xing Gao | TNS |
| 78 | PSP16H | AT 2016ara | 08 33 41.05 +41 25 08.6 | PGC 24017 | 2016.03.01.64185 (15:24:16 UT) | 18.0 V | Unknown | Ziheng Zhang, Cheng Ji, Jiangao Ruan and Xing Gao | TNS |
| 79 | PSP16I | AT 2016bsf (=Gaia16aml) | 06 58 54.98 +45 19 56.5 | PGC 2263191 | 2016.04.25.60477 (14:30:52 UT) | 17.4 V | Unknown | Shulei Yin, Weizhaohuang Song, Mi Zhang, Ang Li, Yang Shen, Yanxi Li, Cheng Ji, Yingbin Nie, Yuxi Lv, Xinzhong Cai, Jiangao Ruan and Xing Gao | TNS |
| 80 | XMJRAF | 546844 (=2016 UZ58) | 2016.09.11.79384 19:03:08 UT) | 20.9 V | Asteroid | Jiangao Ruan and Xing Gao | MPC | ||
| 81 | PSP16J | SN 2016ghq | 18 18 28.90 +36 19 07.8 | PGC 61711 | 2016.09.15.68569 (16:27:24 UT) | 16.2 V | SN Ia | Weizhaohuang Song, Peiyuan Sun, Yi Ding, Yanxi Li, Xiaobing Wang, Xi Liao, Guoyou Sun and Xing Gao | TNS ATEL 9532 |
| 82 | XMX1WG | M33N 2016-12a (=AT 2016irp) (=PNV J01340157+3042398) (=PNV J01340158+3042406) | 01 34 01.57 +30 42 39.9 | M33 | 2016.12.03.55727 (13:22:28 UT) | 17.5 V | Nova He/N | Wei Gao and Xing Gao | TNS TOCP TOCP |
| 83 | XMX2WG | M31N 2016-12d (=AT 2016jbg) (=Gaia17ann) | 00 43 01.49 +41 16 59.4 | M31 | 2016.12.25.50994 (12:14:19 UT) | 17.2 V | Nova FeIIb | Wei Gao and Xing Gao | TNS |
| 84 | XMS1WG | SN 2016jdj | 13 26 01.99 +02 17 00.8 | PGC 1221823 | 2016.12.28.97566 (23:24:57 UT) | 18.4 V | SN Ia | Wei Gao and Xing Gao | TNS |
| 85 | XMd3ZX | M31N 2017-07b (=AT 2017fog) (=PNV J00431504+4120506) | 00 43 15.04 +41 20 50.6 | M31 | 2017.07.19.87819 (21:04:36 UT) | 18.1 R | Nova FeII | Zhijian Xu and Xing Gao | TNS TOCP |
| 86 | XM13AL | M31N 2017-07e (=AT 2017fvb) | 00 42 47.21 +41 16 51.2 | M31 | 2017.07.31.82243 (19:44:18 UT) | 17.5 V | Unknown | Ang Li and Xing Gao | TNS |
| 87 | PSP17A | SN 2017gjn (=Gaia17cdp) | 02 43 48.41 +32 31 33.7 | NGC 1067 | 2017.08.29.85969 (20:37:57 UT) | 15.4 V | SN Ia | Yanxi Li, Haochen Xue, Jingyuan Zhao, Mi Zhang, Xianyi Hu, Xiaobing Wang, Jiangao Ruan and Xing Gao | TNS |
| 88 | PSP17C | M31N 2017-09a (=AT 2017glc) (=PNV J00440872+4143367) | 00 44 08.72 +41 43 36.7 | M31 | 2017.09.01.77510 (18:36:09 UT) | 18.6 V | Nova FeII | Shenwei Zhang, Jingyuan Zhao, Di Hu, Xiaowei Zhang, Wei Shi, Guoyou Sun and Xing Gao | TNS TOCP ATEL 10741 VSX |
| 89 | PSP17B | SN 2017glx | 19 43 40.29 +56 06 36.3 | NGC 6824 | 2017.09.03.70174 (16:50:30 UT) | 14.5 V | SN Ia-91T-like | Wei Gao, Yanxi Li, Zhijian Xu, Ang Li and Xing Gao | TNS |
| 90 | PSP17D | M31N 2017-09d (=AT 2017gud) | 00 42 47.08 +41 16 00.3 | M31 | 2017.09.17.65519 (15:43:28 UT) | 17.0 V | Nova FeII | Zhijian Xu, Mi Zhang, Yi Ding, Peiyuan Sun and Xing Gao | TNS |
| 91 | PSP17E | SN 2017hle | 01 07 33.06 +32 24 30.0 | NGC 383 | 2017.10.18.68440 (16:25:32 UT) | 18.0 V | SN Ia-91bg-like | Xiaobing Wang, Ziyi Zhao, Jiangao Ruan and Xing Gao | TNS |
| 92 | PSP17F | M31N 2017-10b (=AT 2017hqq) (=PNV J00425023+4115271) | 00 42 50.20 +41 15 27.2 | M31 | 2017.10.30.59861 (14:22:00 UT) | 17.7 V | Unknown | Jiangao Ruan, Yanxi Li, Guoyou Sun and Xing Gao | TNS TOCP |
| 93 | PSP17G | SN 2017ixe (=Gaia17dii) | 02 29 49.53 +45 46 51.4 | 2MASX J02294877+4546331 | 2017.12.13.80951 (19:25:22 UT) | 17.9 V | SN Ia | Zheng Cao, Di Hu, Jiangao Ruan and Xing Gao | TNS ATEL 11066 |
| 94 | The optical re-brightening of M31N 2017-09a | 00 44 08.72 +41 43 36.7 | M31 | 2017.12.14 | Jingyuan Zhao, Mi Zhang, Guoyou Sun and Xing Gao | ATEL 11070 | |||
| 95 | The optical re-brightening of M31N 2017-11a | 00 42 54.22 +41 30 42.3 | M31 | 2017.12.24 | Yanxi Li, Jingyuan Zhao, Mi Zhang and Xing Gao | ATEL 11095 | |||
| 96 | XMq9ZX | M81N 2018-02a (=AT 2018xb) (=PNV J09545236+6904085) | 09 54 52.36 +69 04 08.5 | M81 | 2018.02.19.74683 (18:02:06 UT) | 20.0 V | Unknown | Zhijian Xu and Xing Gao | TNS TOCP |
| 97 | XM01MZ | M31N 2018-02b (=AT 2018ya) (=PNV J00415059+4125499) | 00 41 50.59 +41 25 49.9 | M31 | 2018.02.22.59539 (14:17:22 UT) | 17.9 V | Unknown | Mi Zhang and Xing Gao | TNS TOCP |
| 98 | XM02MZ | M81N 2018-03a (=AT 2018aba) (=PNV J09553607+6902141) | 09 55 36.07 +69 02 14.1 | M81 | 2018.03.06.63007 (15:07:18 UT) | 20.8 V | Unknown | Mi Zhang and Xing Gao | TNS TOCP |
| 99 | PSP18B | SN 2018acj (=ATLAS18mjd) (=ZTF18aabybkt) (=PS18atn) | 13 48 40.63 +43 25 04.7 | PGC 48989 | 2018.03.08.75273 (18:03:56 UT) | 16.8 V | SN IIP | Jianlin Xu, Mi Zhang, Xiaowei Zhang, Jingyuan Zhao, Weigen Liu, Jiangao Ruan and Xing Gao | TNS |
| 100 | XMr3ZX | M81N 2018-03b (=AT 2018akh) (=PNV J09551340+6900478) | 09 55 13.53 +69 00 48.1 | M81 | 2018.03.20.70358 (16:53:10 UT) | 21.2 V | Unknown | Zhijian Xu and Xing Gao | TNS TOCP |
| 101 | XM03MZ | M31N 2018-03c (=AT 2018ajt) (=PNV J00424041+4112522) | 00 42 40.41 +41 12 52.2 | M31 | 2018.03.21.57039 (13:41:22 UT) | 18.1 V | Unknown | Mi Zhang and Xing Gao | TNS TOCP |
| 102 | XMr4ZX | M81N 2018-04a (=AT 2018apj) (=PNV J09553194+6909147) | 09 55 31.94 +69 09 14.7 | M81 | 2018.04.02.61594 (14:46:57 UT) | 20.4 V | Unknown | Zhijian Xu and Xing Gao | TNS TOCP |
| 103 | XMr5ZX | M81N 2018-04b (=AT 2018asx) (=PNV J09555269+6858409) | 09 55 52.69 +68 58 40.9 | M81 | 2018.04.09.62859 (15:05:10 UT) | 20.6 V | Nova FeII | Zhijian Xu and Xing Gao | TNS TOCP |
| 104 | XMNGS1 | AT 2018hcd | 00 43 32.52 +41 07 12.8 | M31 | 2018.09.13.61558 (14:46:26 UT) | 20.0 V | LPV | Guoyou Sun and Xing Gao | TNS ATEL 12138 |
| 105 | PSP18C | SN 2018gjx (=PSN J02161555+2835287) (=Gaia18csc) (=ATLAS18vis) (=kait-18ao) (=ZTF18abwkrbl) (=PS19do) | 02 16 15.55 +28 35 28.7 | NGC 865 | 2018.09.15.82042 (14:26:05 UT) | 16.9 V | SN II | Mi Zhang, Yi Ding, Shaohua Liu, Xiaobing Wang, Jianlin Xu, Xiaowei Zhang, Zheng Cao, Jingyuan Zhao, Xinyu Jiang, Jiangao Ruan and Xing Gao | TNS TOCP |
| 106 | XM146QY | M31N 2018-10a (=AT 2018hfs) (=PNV J00424990+4123348) | 00 42 49.84 +41 23 35.0 | M31 | 2018.10.10.60145 (14:26:05 UT) | 18.2 V | Unknown | Qiang Yin and Xing Gao | TNS TOCP |
| 107 | XMr6ZX | M31N 2018-10d (=AT 2018hoo) (=GSNST 2018-ai) (=ZTF18acbybzj) | 00 42 54.96 +41 12 28.8 | M31 | 2018.10.26.57558 (13:48:50 UT) | 18.5 V | Unknown | Zhijian Xu and Xing Gao | TNS |
| 108 | XM04MZ | M31N 2018-12a (=AT 2018jib) (=PNV J00424065+4111080) | 00 42 40.65 +41 11 08.0 | M31 | 2018.12.03.59476 (14:16:27 UT) | 18.7 V | Nova FeII | Mi Zhang and Xing Gao | TNS TOCP |
| 109 | XM05MZ | M31N 2018-12b (=AT 2018kaf) (=PNV J00424241+4119411) (=ATLAS18bcay) (=ZTF18acxhqis) (=Gaia18dxn) | 00 42 42.41 +41 19 41.1 | M31 | 2018.12.17.55177 (13:14:33 UT) | 18.2 V | Nova FeII | Mi Zhang and Xing Gao | TNS TOCP |
| 110 | XM06MZ | M31N 2018-12d (=AT 2018kjt) (=PNV J00432462+4120222) (=Gaia18dxl) | 00 43 24.62 +41 20 22.2 | M31 | 2018.12.22.50407 (12:05:52 UT) | 18.0 V | Nova | Mi Zhang and Xing Gao | TNS TOCP |
| 111 | XM07MZ | M31N 2018-12e (=AT 2018klr) (=PNV J00424380+4117208) (=ZTF18aczzije) | 00 42 43.80 +41 17 20.8 | M31 | 2018.12.23.55919 (13:25:14 UT) | 17.5 V | Nova FeII | Mi Zhang and Xing Gao | TNS TOCP |
| 112 | XM08MZ | M31N 2019-01d (=AT 2019yw) (=PNV J00430008+4118340) (=ZTF19aaaaorc) | 00 43 00.08 +41 18 34.0 | M31 | 2019.01.23.53175 (12:45:43 UT) | 19.5 V | Unknown | Mi Zhang and Xing Gao | TNS TOCP |
| 113 | PSP19A | SN 2019aik (=PSN J10373836+3727297) (=ATLAS19cqs) (=Gaia19bmm) (=ZTF19aagmsrr) | 10 37 38.36 +37 27 29.7 | NGC 3304 | 2019.01.30.92084 (22:06:01 UT) | 18.6 V | SN Ia | Jiarui Xiong, Jiangao Ruan, Zhijian Xu and Xing Gao | TNS TOCP |
| 114 | XM09MZ | M31N 2019-02a (=AT 2019akn) (=PNV J00425100+4121038) | 00 42 51.00 +41 21 03.8 | M31 | 2019.02.03.54443 (13:03:59 UT) | 18.8 V | Unknown | Mi Zhang and Xing Gao | TNS TOCP |
| 115 | PSP19B | SN 2019bqe (=PSN J09593994+3523422) (=ATLAS19dwe) (=ZTF19aamggua) | 09 59 39.94 +35 23 42.2 | NGC 3074 | 2019.03.07.80984 (19:26:10 UT) | 18.2 V | SN Ia | Jingyuan Zhao, Tianyu Tu, Jianlin Xu, Baixiang He, Zhangrui Xu, Mi Zhang and Xing Gao | TNS TOCP |
| 116 | XM363JR | M31N 2019-03a (=AT 2019bsd) (=PNV J00421999+4113225) | 00 42 19.99 +41 13 22.5 | M31 | 2019.03.13.57985 (13:54:59 UT) | 18.8 V | Nova FeII | Jiangao Ruan and Xing Gao | TNS TOCP ADS ATEL 12574 |
| 117 | XM10MZ | M81N 2019-04a (=AT 2019dlz) (=PNV J09555100+6902323) | 09 55 51.00 +69 02 32.3 | M81 | 2019.04.14.66925 (16:03:43 UT) | 19.8 V | Unknown | Mi Zhang and Xing Gao | TNS TOCP |
| 118 | XM11MZ | M31N 2019-05a (=AT 2019fyd) (=PNV J00422198+4123584) | 00 42 21.98 +41 23 58.4 | M31 | 2019.05.24.82138 (19:42:47 UT) | 16.7 V | Unknown | Mi Zhang and Xing Gao | TNS TOCP |
| 119 | XM12MZ | M31N 2019-05b (=AT 2019gap) (=PNV J00432058+4125426) (=ZTF19aaycrew) | 00 43 20.58 +41 25 42.6 | M31 | 2019.05.28.89112 (21:23:13 UT) | 17.4 V | Unknown | Mi Zhang and Xing Gao | TNS TOCP |
| 120 | XM14MZ | AT 2019olu (=ZTF18abgzzso) | 00 57 10.19 +62 03 55.9 | Cas | 2019.08.23.64789 (15:32:58 UT) | 15.3-17.1 CV | Var | Mi Zhang and Xing Gao | TNS VSX |
| 121 | XM16MZ | M33N 2019-09a (=AT 2019qml) (=PNV J01335271+3044359) (=ZTF19abzsnqm) | 01 33 52.71 +30 44 35.9 | M33 | 2019.09.20.61536 (14:46:07 UT) | 18.6 V | Nova | Mi Zhang and Xing Gao | TNS TOCP |
| 122 | PSP19C | M31N 2019-09d (=PNV J00441073+4154220) (=AT 2017zq) (=RN M31N 2017-01e) (=ZTF19acajeed) | 00 44 10.73 +41 54 22.0 | M31 | 2019.09.22.64457 (15:28:11 UT) | 17.8 V | Unknown | Tianyu Tu, Jianlin Xu, Mi Zhang and Xing Gao | TNS TOCP |
| 123 | XMNGS2 | M31N 2019-10i (=AT 2019tsc) (=PNV J00424064+4107458) | 00 42 40.64 +41 07 45.8 | M31 | 2019.10.30.65074 (15:37:04 UT) | 18.1 R | Nova | Guoyou Sun and Xing Gao | TNS TOCP ATEL 13246 ATEL 13261 |
| 124 | XM17MZ | M31N 2019-11d (=AT 2019vsn) (=TCP J00414238+4121311) | 00 41 42.38 +41 21 31.1 | M31 | 2019.11.17.61278 (14:42:24 UT) | 19.7 R | Unknown | Mi Zhang and Xing Gao | TNS TOCP |
| 125 | XM20MZ | M31N 2019-11f (=AT 2019vzu) (=PNV J00425176+4111266) | 00 42 51.76 +41 11 26.6 | M31 | 2019.11.26.65780 (15:47:14 UT) | 19.7 R | Unknown | Mi Zhang and Xing Gao | TNS TOCP |
| 126 | XM18MZ | M33N 2019-11a (=AT 2019vub) | 01 34 33.20 +30 39 05.2 | M33 | 2019.11.26.66021 (15:50:42 UT) | 21.0 R | Unknown | Mi Zhang and Xing Gao | TNS |
| 127 | XM19MZ | M31N 2019-11e (=AT 2019vxp) (=ZTF20abwhdej) | 00 43 30.01 +41 07 27.9 | M31 | 2019.11.28.71167 (17:04:48 UT) | 19.6 R | Unknown | Mi Zhang and Xing Gao | TNS |
| 128 | XM21MZ | AT 2019xuw | 01 33 13.98 +30 27 50.3 | M33 | 2019.11.30.66172 (15:52:52 UT) | 20.8 R | Unknown | Mi Zhang and Xing Gao | TNS |
| 129 | PSP19F | SN 2019wep (=PSN J11043699+4558395) (=ZTF19acxxwrs) | 11 04 36.99 +45 58 39.5 | PGC 33464 | 2019.12.07.96979 (23:16:30 UT) | 18.2 V | SN II-pec | Xuehui Mao, Wei Gao, Yi Ding, Mi Zhang and Xing Gao | TNS TOCP |
| 130 | PSP19G | AT 2019wvf (=PNV J00422050+4114599) (=Gaia19fow) (=ZTF19adakuos) | 00 42 20.50 +41 14 59.9 | M31 | 2019.12.16.64736 (15:32:12 UT) | 17.4 V | Nova FeII | Xinyu Jiang, Guoyou Sun, Mi Zhang and Xing Gao | TNS TOCP ATEL 13355 ATEL 13384 |
| 131 | TCP J00424702+4124388 (=ZTF20aagywxo) | 00 42 47.02 +41 24 38.8 | M31 | 2019.12.19.5640 (15:32:12 UT) | 19.1 R | Unknown | Guoyou Sun and Xing Gao | TOCP | |
| 132 | XMNGS3 | TCP J00425337+4114267 (=ZTF21aajzhgs) | 00 42 53.37 +41 14 26.7 | M31 | 2019.12.29.6353 (15:07:25 UT) | 18.8 R | Unknown | Guoyou Sun and Xing Gao | TOCP |
| 133 | XM22MZ | AT 2020B | 00 41 48.99 +41 05 22.6 | M31 | 2020.01.01.52311 (12:33:17 UT) | 19.8 R | Unknown | Mi Zhang and Xing Gao | TNS |
| 134 | XOSS-V J185558.93+720314.4 | 18 55 58.93 +72 03 14.4 | Dra | 2020.01.21 | 13.50-13.55 CV | DSCT | Guoyou Sun and Xing Gao | VSX | |
| 135 | XOSS-V J080250.83+745751.4 | 08 02 50.83 +74 57 51.4 | Cam | 2020.01.21 | 16.52-16.93 CV | EW | Guoyou Sun and Xing Gao | VSX | |
| 136 | XOSS-V J075505.82+785158.2 | 07 55 05.82 +78 51 58.2 | Cam | 2020.01.23 | 15.89-16.29 CV | EB | Guoyou Sun and Xing Gao | VSX | |
| 137 | XOSS-V J080001.41+790234.3 | 08 00 01.41 +79 02 34.3 | Cam | 2020.01.23 | 17.66-18.22 CV | EW | Guoyou Sun and Xing Gao | VSX | |
| 138 | XM24MZ | AT 2020ber (=PNV J00425232+4116128) (=ZTF20aakdppm) | 00 42 52.32 +41 16 12.8 | M31 | 2020.01.28.54455 (13:04:09 UT) | 17.0 R | Nova | Mi Zhang and Xing Gao | TNS TOCP ATEL 13425 ATEL 13430 |
| 139 | XM25MZ | AT 2020bmf (=PNV J09554842+6907325) | 09 55 48.42 +69 07 32.5 | M81 | 2020.01.31.00812 (01:11:42 UT) | 19.8 R | Unknown | Mi Zhang and Xing Gao | TNS TOCP ATEL 13440 |
| 140 | XOSS-V J070929.93+732204.1 | 07 09 29.93 +73 22 04.1 | Cam | 2020.02.04 | 13.15-13.28 r | ROT | Guoyou Sun, Kai Li, Difu Guo, Zhijian Xu and Xing Gao | VSX | |
| 141 | XM26MZ | AT 2020cqi (=PNV J00424882+4118430) | 00 42 48.82 +41 18 43.0 | M31 | 2020.02.15.54833 (13:09:36 UT) | 19.2 R | Unknown | Mi Zhang and Xing Gao | TNS TOCP |
| 142 | XOSS-V J185328.18+735157.0 | 18 53 28.18 +73 51 57.0 | Dra | 2020.02.20 | 13.29-13.34 CV | DSCT | Guoyou Sun and Xing Gao | VSX | |
| 143 | XOSS-V J185024.46+750551.3 | 18 50 24.46 +75 05 51.3 | Dra | 2020.02.20 | 12.75-12.82 CV | ELL | Guoyou Sun and Xing Gao | VSX | |
| 144 | XOSS-V J081242.61+741234.3 | 08 12 42.61 +74 12 34.3 | Cam | 2020.02.20 | 10.97-11.08 r | EA | Guoyou Sun, Kai Li, Difu Guo, Zhijian Xu and Xing Gao | VSX | |
| 145 | XOSS-V J115001.64+761246.6 | 11 50 01.64 +76 12 46.6 | Dra | 2020.02.20 | 15.30-15.82 r | EW | Zhijian Xu, Kai Li, Difu Guo, Guoyou Sun and Xing Gao | VSX | |
| 146 | XOSS-V J073719.12+711350.6 | 07 37 19.12 +71 13 50.6 | Cam | 2020.02.20 | 10.15-10.19 r | GDOR: | Guoyou Sun, Kai Li, Difu Guo, Zhijian Xu and Xing Gao | VSX | |
| 147 | XOSS-V J071039.86+715302.3 | 07 10 39.86 +71 53 02.3 | Cam | 2020.02.20 | 11.42-11.60 r | EA | Guoyou Sun, Kai Li, Difu Guo, Zhijian Xu and Xing Gao | VSX | |
| 148 | XOSS-V J073327.68+713455.0 | 07 33 27.68 +71 34 55.0 | Cam | 2020.02.20 | 12.62-12.69 r | EA | Guoyou Sun, Kai Li, Difu Guo, Zhijian Xu and Xing Gao | VSX | |
| 149 | XOSS-V J071308.96+735340.7 | 07 13 08.96 +73 53 40.7 | Cam | 2020.02.20 | 12.22-12.35 r | EA | Guoyou Sun, Kai Li, Difu Guo, Zhijian Xu and Xing Gao | VSX | |
| 150 | XOSS-V J070510.71+741212.7 | 07 05 10.71 +74 12 12.7 | Cam | 2020.02.20 | 9.79-9.87 r | EA | Guoyou Sun, Kai Li, Difu Guo, Zhijian Xu and Xing Gao | VSX | |
| 151 | XOSS-V J072737.00+732913.6 | 07 27 37.00 +73 29 13.6 | Cam | 2020.02.21 | 12.33-12.42 r | EA | Guoyou Sun, Kai Li, Difu Guo, Zhijian Xu and Xing Gao | VSX | |
| 152 | XOSS-V J080645.70+733416.6 | 07 27 37.00 +73 29 13.6 | Cam | 2020.02.22 | 12.75-12.93 r | EW | Guoyou Sun, Kai Li, Difu Guo, Zhijian Xu and Xing Gao | VSX | |
| 153 | XOSS-V J110612.44+791824.0 | 11 06 12.44 +79 18 24.0 | Dra | 2020.02.22 | 14.77-15.05 r | EW | Zhijian Xu, Kai Li, Difu Guo, Guoyou Sun and Xing Gao | VSX | |
| 154 | XOSS-V J111729.35+780901.7 | 11 17 29.35 +78 09 01.7 | Dra | 2020.02.25 | 13.99-14.08 r | EW | Zhijian Xu, Kai Li, Difu Guo, Guoyou Sun and Xing Gao | VSX | |
| 155 | XOSS-V J080748.17+711240.4 | 08 07 48.17 +71 12 40.4 | Cam | 2020.02.26 | 12.99-13.08 r | EB | Guoyou Sun, Kai Li, Difu Guo, Zhijian Xu and Xing Gao | VSX | |
| 156 | XOSS-V J072856.74+721710.3 | 07 28 56.74 +72 17 10.3 | Cam | 2020.02.26 | 12.60-12.65 r | ELL | Guoyou Sun, Kai Li, Difu Guo, Zhijian Xu and Xing Gao | VSX | |
| 157 | XOSS-V J110105.38+792616.5 | 11 01 05.38 +79 26 16.5 | Cam | 2020.02.26 | 14.11-14.18 r | DSCT | Zhijian Xu, Kai Li, Difu Guo, Guoyou Sun and Xing Gao | VSX | |
| 158 | XOSS-V J111744.40+745512.9 | 11 17 44.40 +74 55 12.9 | Dra | 2020.02.27 | 14.68-14.79 r | EW | Guoyou Sun, Kai Li, Difu Guo, Zhijian Xu, Mi Zhang and Xing Gao | VSX | |
| 159 | XOSS-V J111415.44+735441.8 | 11 14 15.44 +73 54 41.8 | Dra | 2020.03.03 | 14.60-14.68 r | EW | Guoyou Sun, Kai Li, Difu Guo, Zhijian Xu, Mi Zhang and Xing Gao | VSX | |
| 160 | XOSS-V J112840.68+723935.5 | 11 28 40.68 +72 39 35.5 | Dra | 2020.03.06 | 15.85-16.25 r | EA | Zhijian Xu, Kai Li, Difu Guo, Guoyou Sun, Mi Zhang and Xing Gao | VSX | |
| 161 | XM27MZ | AT 2020efn (=PNV J00424612+4111362) | 00 42 46.14 +41 11 35.8 | M31 | 2020.03.08.58523 (14:02:44 UT) | 16.6 R | Unknown | Mi Zhang and Xing Gao | TNS TOCP |
| 162 | XOSS-V J113620.11+731217.7 | 11 36 20.11 +73 12 17.7 | Dra | 2020.03.10 | 12.36-12.45 r | ELL | Guoyou Sun, Kai Li, Difu Guo, Zhijian Xu, Mi Zhang and Xing Gao | VSX | |
| 163 | XOSS-V J120450.31+755540.0 | 12 04 50.31 +75 55 40.0 | Dra | 2020.03.12 | 16.06-16.75 r | EW | Zhijian Xu, Kai Li, Difu Guo, Mi Zhang, Guoyou Sun and Xing Gao | VSX | |
| 164 | XMr9ZX | AT 2020ely (=PNV J09555481+6903102) | 09 55 54.81 +69 03 10.2 | M81 | 2020.03.14.60672 (14:33:41 UT) | 19.5 r | Unknown | Zhijian Xu and Xing Gao | TNS TOCP ATEL 13556 |
| 165 | XM28MZ | AT 2020enc (=PNV J09553263+6940472) | 09 55 32.63 +69 40 47.2 | M82 | 2020.03.16.74830 (17:57:33 UT) | 19.9 r | Unknown | Mi Zhang and Xing Gao | TNS TOCP |
| 166 | XMPGS1 | SN 2020enm (=PSN J16350676+4612538) (=ZTF20aattsxa) | 16 35 06.76 +46 12 53.8 | IC 1222 | 2020.03.16.91339 (21:55:17 UT) | 17.7 V | SN Ia-91T/99aa-like | Guoyou Sun and Xing Gao | TNS TOCP ATEL 13566 |
| 167 | XOSS-V J115026.79+740210.9 | 11 50 26.79 +74 02 10.9 | Dra | 2020.03.27 | 15.01-15.13 r | BY | Guoyou Sun, Mi Zhang, Kai Li, Difu Guo, Zhijian Xu and Xing Gao | VSX | |
| 168 | XOSS-V J114202.79+732707.9 | 11 42 02.79 +73 27 07.9 | Dra | 2020.04.01 | 13.87-14.17 r | EA | Mi Zhang, Guoyou Sun, Kai Li, Difu Guo, Zhijian Xu and Xing Gao | VSX | |
| 169 | XOSS-V J115152.54+744858.0 | 11 51 52.54 +74 48 58.0 | Dra | 2020.04.20 | 16.65-17.00 r | EA | Mi Zhang, Guoyou Sun, Kai Li, Difu Guo, Zhijian Xu and Xing Gao | VSX | |
| 170 | XOSS-V J112746.32+753803.1 | 11 27 46.32 +75 38 03.1 | Dra | 2020.04.21 | 14.55-14.75 r | ROT | Mi Zhang, Guoyou Sun, Kai Li, Difu Guo, Zhijian Xu and Xing Gao | VSX | |
| 171 | XOSS-V J083228.70+724248.0 | 08 32 28.70 +72 42 48.0 | UMa | 2020.04.25 | 17.45-17.88 CV | HADS | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 172 | XOSS-V J083448.42+730145.6 | 08 34 48.42 +73 01 45.6 | UMa | 2020.05.02 | 16.14-16.17 CV | DSCT | Zhijian Xu, Mi Zhang, Guoyou Sun, Xing Gao | VSX | |
| 173 | TCP J23374820+6127114 (=ZTF19aaabunn) | 23 37 48.20 +61 27 11.4 | Cas | 2020.05.06 | 16.4 V | UV | Mi Zhang and Xing Gao | TOCP VSX |
|
| 174 | XOSS-V J084444.07+711156.2 | 08 44 44.07 +71 11 56.2 | UMa | 2020.05.16 | 15.30-15.67 CV | EB | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 175 | XOSS-V J084210.22+733350.1 | 08 42 10.22 +73 33 50.1 | Cam | 2020.05.29 | 12.83-12.88 r | BY | Guoyou Sun, Mi Zhang, Zhijian Xu and Xing Gao | VSX | |
| 176 | XOSS-V J085218.90+715820.8 | 08 52 18.90 +71 58 20.8 | UMa | 2020.05.29 | 17.45-17.68 CV | RRC | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 177 | XOSS-V J085239.75+721655.6 | 08 52 39.75 +72 16 55.6 | UMa | 2020.05.29 | 12.148-12.163 CV | DSCT | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 178 | XOSS-V J201213.58+701455.9 | 20 12 13.58 +70 14 55.9 | Dra | 2020.06.04 | 16.24-16.33 CV | DSCT | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 179 | XOSS-V J201059.94+651224.7 | 20 10 59.94 +65 12 24.7 | Dra | 2020.06.05 | 15.69-15.80 CV | DSCT | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 180 | XOSS-V J202408.97+651843.1 | 20 24 08.97 +65 18 43.1 | Dra | 2020.06.06 | 15.83-16.06 CV | EW | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 181 | PSP20A | AT 2020lye (=PNV J00422347+4108228) (=ZTF20abgdyqe) | 00 42 23.47 +41 08 22.8 | M31 | 2020.06.07.86791 (20:49:47 UT) | 15.8 G | Nova FeII | Mi Zhang, Jingyuan Zhao, Yingbin Nie, Huimin Wang, Jianlin Xu, Zhenchao Gao, Zhangrui Xu, Tianyu Tu, Guoyou Sun and Xing Gao | TNS TOCP ATEL 13795 VSX |
| 182 | XOSS-V J201351.33+643744.2 | 20 13 51.33 +64 37 44.2 | Dra | 2020.06.17 | 15.84-15.94 CV | EW | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 183 | XOSS-V J202317.80+653554.2 | 20 23 17.80 +65 35 54.2 | Dra | 2020.06.17 | 15.65-15.84 CV | EW | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 184 | XOSS-V J200957.62+643744.5 | 20 09 57.62 +64 37 44.5 | Dra | 2020.06.18 | 16.68-16.90 CV | EW | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 185 | XOSS-V J201458.21+692617.6 | 20 14 58.21 +69 26 17.6 | Dra | 2020.06.18 | 16.80-17.24 CV | EW | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 186 | XOSS-V J202424.28+701137.1 | 20 24 24.28 +70 11 37.1 | Dra | 2020.06.19 | 16.99-17.30 CV | EW | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 187 | XOSS-V J201255.96+705101.2 | 20 12 55.96 +70 51 01.2 | Dra | 2020.06.22 | 16.01-16.11 CV | EW | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 188 | XOSS-V J201232.31+653105.6 | 20 12 32.31 +65 31 05.6 | Dra | 2020.06.23 | 15.82-15.93 CV | EW | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 189 | XOSS-V J200607.15+700322.9 | 20 06 07.15 +70 03 22.9 | Dra | 2020.06.25 | 15.27-15.42 CV | EW | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 190 | XOSS-V J202456.59+691126.6 | 20 24 56.59 +69 11 26.6 | Dra | 2020.06.26 | 16.47-16.85 CV | EW | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 191 | XOSS-V J151836.33+764304.0 | 15 18 36.33 +76 43 04.0 | UMi | 2020.06.29 | 15.30-15.60 r | EW | Mi Zhang, Kai Li, Difu Guo, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 192 | XOSS-V J150157.58+762255.7 | 15 01 57.58 +76 22 55.7 | UMi | 2020.06.30 | 13.00-13.08 r | ELL: | Mi Zhang, Kai Li, Difu Guo, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 193 | XOSS-V J200814.32+641652.1 | 20 08 14.32 +64 16 52.1 | Dra | 2020.07.21 | 17.06-17.70 CV | EW | Zhijian Xu, Mi Zhang, Guoyou Sun, Xing Gao | VSX | |
| 194 | XOSS-V J201418.39+641149.8 | 20 14 18.39 +64 11 49.8 | Dra | 2020.07.21 | 17.18-17.31 CV | DSCT | Zhijian Xu, Mi Zhang, Guoyou Sun, Xing Gao | VSX | |
| 195 | XOSS-V J200856.41+644555.5 | 20 08 56.41 +64 45 55.5 | Dra | 2020.07.27 | 17.50-17.80 CV | EW | Zhijian Xu, Mi Zhang, Guoyou Sun, Xing Gao | VSX | |
| 196 | XOSS-V J201518.54+644713.2 | 20 15 18.54 +64 47 13.2 | Dra | 2020.07.28 | 17.52-17.70 CV | HADS | Zhijian Xu, Mi Zhang, Guoyou Sun, Xing Gao | VSX | |
| 197 | XM32MZ | AT 2020qxo (=PNV J00415960+4100485) (=ZTF20abqhsxb) | 00 41 59.60 +41 00 48.5 | M31 | 2020.08.07.75866 (18:12:28 UT) | 18.3 V | Nova | Mi Zhang and Xing Gao | TNS TOCP ATEL 13952 |
| 198 | XM01QY | SN 2020scc (=PSN J09140899+4004410) (=ZTF20abyyvrw) | 09 14 08.99 +40 04 41.0 | NGC 2782 | 2020.08.20.9 (21:57:48 UT) | 13.7 G | SN Ia | Quanzhi Ye and Xing Gao | TNS TOCP ATEL 14002 |
| 199 | XM34MZ | AT 2020uar (=PNV J04291644+5026226) (=ZTF20acaswjs) | 04 29 16.44 +50 26 22.6 | Per | 2020.09.22.90595 (21:44:34 UT) | 18.4 G | UG | Mi Zhang and Xing Gao | TNS TOCP VSX |
| 200 | XM35MZ | AT 2020ubx (=PNV J00424630+4113355) | 00 42 46.30 +41 13 35.5 | M31 | 2020.09.24.70146 (16:50:06 UT) | 17.2 G | Nova FeIIb | Mi Zhang and Xing Gao | TNS TOCP ATEL 14053 |
| 201 | XM36MZ | AT 2020uyd (=PNV J00423071+4121276) | 00 42 30.71 +41 21 27.6 | M31 | 2020.10.05.57144 (13:42:52 UT) | 19.0 G | Unknown | Mi Zhang and Xing Gao | TNS TOCP ATEL 14068 |
| 202 | XM37MZ | AT 2020vak (=PNV J00424960+4116523) (=ZTF20acnuvaf) | 00 42 49.60 +41 16 52.3 | M31 | 2020.10.07.65027 (15:36:23 UT) | 17.6 G | Nova FeII | Mi Zhang and Xing Gao | TNS TOCP ATEL 14073 ATEL 14109 ATEL 14121 VSX |
| 203 | XM38MZ | AT 2020vgy (=PNV J09555607+6942016) | 09 55 56.07 +69 42 01.6 | M82 | 2020.10.08.95883 (23:00:43 UT) | 19.7 G | Unknown | Mi Zhang and Xing Gao | TNS TOCP |
| 204 | XM39MZ | AT 2020wuo (=PNV J00423620+4120355) | 00 42 36.20 +41 20 35.5 | M31 | 2020.10.15.72623 (17:25:46 UT) | 19.5 G | Unknown | Mi Zhang and Xing Gao | TNS TOCP |
| 205 | XM40MZ | AT 2020xao (=ZTF18abcpkoc) | 23 37 52.41 +52 27 20.6 | Cas | 2020.10.16.77961 (18:42:38 UT) | 17.8 G | Unknown | Mi Zhang and Xing Gao | TNS |
| 206 | XM41MZ | AT 2020xyv (=PNV J00423733+4120519) | 00 42 37.33 +41 20 51.9 | M31 | 2020.10.22.55024 (13:12:21 UT) | 16.9 G | Nova FeIIb | Mi Zhang and Xing Gao | TNS TOCP ATEL 14114 ATEL 14116 ATEL 14117 |
| 207 | XM08HT | AT 2020yri | 19 17 02.47 +37 52 29.1 | Lyr | 2020.10.30.59296 (14:13:52 UT) | 17.76 r | Unknown | Hanjie Tan, Mi Zhang and Xing Gao | TNS |
| 208 | XM42MZ | AT 2020yky (=PNV J00422016+4114285) (=ZTF20acoqrpm) | 00 42 20.16 +41 14 28.5 | M31 | 2020.10.31.52638 (12:37:59 UT) | 18.2 V | Nova | Mi Zhang and Xing Gao | TNS TOCP ATEL 14150 |
| 209 | XM43MZ | AT 2020ypu (=PNV J00424677+4107031) | 00 42 46.77 +41 07 03.1 | M31 | 2020.11.01.57683 (13:56:01 UT) | 18.7 G | Nova | Mi Zhang and Xing Gao | TNS TOCP |
| 210 | XM09HT | AT 2020yuj | 21 46 15.90 +54 53 41.9 | Cyg | 2020.11.02.77459 (18:35:25 UT) | 16.85 r | Unknown | Hanjie Tan, Mi Zhang and Xing Gao | TNS |
| 211 | XN01JR | AT 2020yug (=PNV J00425771+4108125) (=M31 V0979) (=ZTF20acozbod) | 00 42 57.71 +41 08 12.5 | M31 | 2020.11.03.58185 (13:57:56 UT) | 17.7 V | Nova He/N | Jiangao Ruan and Xing Gao | TNS TOCP ATEL 14145 VSX |
| 212 | XM10HT | AT 2020yvz | 21 35 44.03 +48 03 57.7 | Cyg | 2020.11.03.71477 (17:09:16 UT) | 17.53 r | Unknown | Hanjie Tan, Mi Zhang and Xing Gao | TNS |
| 213 | PSP20B | SN 2020yzq (=PSN J18222333+2328322) (=ZTF20acpjbgc) | 18 22 23.33 +23 28 32.2 | NGC 6628 | 2020.11.07.52309 (12:33:15 UT) | 16.9 G | SN II | Yang Shen, Fei Du, Yirui Fu, Xinyu Jiang, Yi Ding, Wei Gao, Lun Kun, Mi Zhang and Xing Gao | TNS TOCP |
| 214 | XM44MZ | AT 2020zcs | 00 48 50.50 +39 46 01.5 | And | 2020.11.10.55712 (13:22:15 UT) | 16.98 G | Unknown | Mi Zhang and Xing Gao | TNS ATEL 14198 |
| 215 | XOSS-V J001321.87+695523.1 | 00 13 21.87 +69 55 23.1 | Cep | 2020.11.10 | 16.72-16.85 CV | EW | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 216 | XOSS-V J001240.83+695217.0 | 00 12 40.83 +69 52 17.0 | Cep | 2020.11.11 | 15.39-15.58 CV | EA | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 217 | XM45MZ | PNV J00401974+4049360 (=AT 2020aapw) (=ZTF20acstbfh) | 00 40 19.74 +40 49 36.0 | M31 | 2020.11.20.54388 (13:03:11 UT) | 16.7 V | Nova | Mi Zhang and Xing Gao | TNS TOCP ATEL 14204 |
| 218 | XOSS-V J001043.18+721526.1 | 00 10 43.18 +72 15 26.1 | Cep | 2020.11.20 | 12.64-12.67 CV | DSCT | Guoyou Sun, Mi Zhang, Zhijian Xu, Xing Gao | VSX | |
| 219 | XOSS-V J000310.16+705606.4 | 00 03 10.16 +70 56 06.4 | Cep | 2020.11.20 | 12.545-12.560 CV | DSCT | Guoyou Sun, Mi Zhang, Zhijian Xu, Xing Gao | VSX | |
| 220 | XM46MZ | AT 2020aarv (=PNV J09554041+6903243) | 09 55 40.41 +69 03 24.3 | M81 | 2020.11.21.96229 (23:05:42 UT) | 20.1 V | Unknown | Mi Zhang and Xing Gao | TNS TOCP |
| 221 | XOSS-V J000911.92+705550.8 | 00 09 11.92 +70 55 50.8 | Cep | 2020.11.28 | 15.79-15.84 CV | DSCT | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 222 | XOSS-V J001221.64+705456.2 | 00 12 21.64 +70 54 56.2 | Cep | 2020.11.28 | 14.97-15.02 CV | DSCT | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 223 | XOSS-V J235323.01+715624.5 | 23 53 23.01 +71 56 24.5 | Cep | 2020.11.28 | 14.54-14.60 CV | EW | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 224 | XOSS-V J000429.22+712717.2 | 00 04 29.22 +71 27 17.2 | Cep | 2020.11.28 | 13.27-13.29 CV | DSCT | Guoyou Sun, Mi Zhang, Zhijian Xu, Xing Gao | VSX | |
| 225 | XOSS-V J000322.00+721002.2 | 00 03 22.00 +72 10 02.2 | Cep | 2020.11.28 | 13.96-13.98 CV | DSCT | Guoyou Sun, Mi Zhang, Zhijian Xu, Xing Gao | VSX | |
| 226 | XOSS-V J235401.16+712835.1 | 23 54 01.16 +71 28 35.1 | Cep | 2020.11.28 | 13.70-13.73 CV | EW: | Guoyou Sun, Mi Zhang, Zhijian Xu, Xing Gao | VSX | |
| 227 | XOSS-V J235344.72+714825.2 | 23 53 44.72 +71 48 25.2 | Cep | 2020.11.30 | 15.24-15.28 CV | DSCT | Guoyou Sun, Mi Zhang, Zhijian Xu, Xing Gao | VSX | |
| 228 | XOSS-V J000412.70+714518.5 | 00 04 12.70 +71 45 18.5 | Cep | 2020.11.30 | 14.91-14.94 CV | DSCT | Guoyou Sun, Mi Zhang, Zhijian Xu, Xing Gao | VSX | |
| 229 | XOSS-V J235658.25+714439.6 | 23 56 58.25 +71 44 39.6 | Cep | 2020.12.01 | 14.85-14.87 CV | DSCT | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 230 | XM47MZ | AT 2020abjr (=PNV J00494388+4033383) (=ZTF18abxzyss) | 00 49 43.88 +40 33 38.3 | M31 | 2020.12.02.50689 (12:09:55 UT) | 18.1 V | Dwarf Nova/UG | Mi Zhang and Xing Gao | TNS TOCP VSX ATEL 14266 ATEL 14269 |
| 231 | XOSS-V J000255.52+710811.1 | 00 02 55.52 +71 08 11.1 | Cep | 2020.12.03 | 15.40-15.49 CV | BY | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 232 | XOSS-V J000338.82+710705.8 | 00 03 38.82 +71 07 05.8 | Cep | 2020.12.03 | 15.58-15.66 CV | ELL+R: | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 233 | XOSS-V J001113.32+695517.8 | 00 11 13.32 +69 55 17.8 | Cep | 2020.12.04 | 14.53-14.69 CV | EA+BY | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 234 | XOSS-V J000645.25+684912.2 | 00 06 45.25 +68 49 12.2 | Cep | 2020.12.09 | 14.15-14.20 CV | BY | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 235 | XOSS-V J235937.02+694615.6 | 23 59 37.02 +69 46 15.6 | Cep | 2020.12.09 | 13.67-13.69 CV | DSCT | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 236 | XOSS-V J235531.60+692607.3 | 23 55 31.60 +69 26 07.3 | Cep | 2020.12.10 | 16.43-16.76 CV | EA | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 237 | XOSS-V J235718.02+692147.7 | 23 57 18.02 +69 21 47.7 | Cep | 2020.12.11 | 15.91-16.05 CV | EA | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 238 | XOSS-V J000309.60+684357.6 | 00 03 09.60 +68 43 57.6 | Cep | 2020.12.11 | 14.68-14.77 CV | EA | Mi Zhang, Guoyou Sun, Zhijian Xu, Xing Gao | VSX | |
| 239 | XM22HT | AT 2020admx (=ZTF20aczkozl) | 05 40 09.29 +50 40 11.3 | Aur | 2020.12.22.66360 (15:55:35 UT) | 17.85 r | Unknown | Hanjie Tan, Guoyou Sun, Mi Zhang, Xing Gao (Xingming Observatory) | TNS |
| 240 | XM23HT | AT 2020adom | 21 26 54.18 +47 43 27.3 | Cyg | 2020.12.23.56440 (13:32:44 UT) | 16.22 r | Unknown | Hanjie Tan, Guoyou Sun, Mi Zhang, Xing Gao (Xingming Observatory) | TNS |
| 241 | XM25HT | SN 2020aeps (=ZTF20adagenq) | 12 08 47.44 +32 32 07.9 | PGC 83534 | 2020.12.29.90427 (21:42:09 UT) | 16.89 r | SN Ia | Hanjie Tan, Mi Zhang, Guoyou Sun, Xing Gao (Xingming Observatory) | TNS |
| 242 | XM27HT | AT 2020aesf (=ZTF18aabezhk) | 03 06 42.47 +48 16 35.8 | Per | 2020.12.31.75307 (18:04:25 UT) | 17.49 r | UG | Hanjie Tan, Guoyou Sun, Mi Zhang, Xing Gao (Xingming Observatory) | TNS VSX |
| 243 | XM48MZ | AT 2021bl (=PNV J01332200+3033012) (=ZTF21aaarlbp) | 01 33 22.00 +30 33 01.2 | M33 | 2021.01.03.68773 (16:30:20 UT) | 17.9 r | Nova | Mi Zhang, Xing Gao (Xingming Observatory) | TNS TOCP |
| 244 | XM33HT | AT 2021jn (=ZTF20abolmlf) | 02 53 20.93 +27 13 35.7 | Ari | 2021.01.04.65970 (15:49:58 UT) | 17.06 r | Unknown | Hanjie Tan, Guoyou Sun, Mi Zhang, Xing Gao (Xingming Observatory) | TNS |
| 245 | XM32HT | AT 2021jk (=ZTF18acrmzwa) | 06 44 01.09 +21 38 47.2 | Gem | 2021.01.05.82815 (19:52:32 UT) | 16.97 r | CV/UG | Hanjie Tan, Guoyou Sun, Mi Zhang, Xing Gao (Xingming Observatory) | TNS VSX |
| 246 | XM36HT | AT 2021aah | 15 00 40.86 -05 52 57.5 | Cet | 2021.01.12.00861 (00:12:24 UT) | 17.24 r | Unknown | Hanjie Tan, Guoyou Sun, Mi Zhang, Xing Gao (Xingming Observatory) | TNS |
| 247 | XM38HT | AT 2021ala (=ZTF20aaehkzn) | 10 02 36.42 +25 56 44.0 | Leo | 2021.01.15.95647 (22:57:19 UT) | 16.70 r | Unknown | Hanjie Tan, Guoyou Sun, Mi Zhang, Xing Gao (Xingming Observatory) | TNS |
| 248 | XM37HT | AT 2021akz | 10 01 56.39 +24 28 37.1 | Leo | 2021.01.15.97337 (23:21:39 UT) | 16.26 r | Unknown | Hanjie Tan, Guoyou Sun, Mi Zhang, Xing Gao (Xingming Observatory) | TNS |
| 249 | XM45HT | AT 2021bkc | 00 15 24.73 +54 54 20.7 | Cas | 2021.01.30.57850 (13:53:02 UT) | 16.95 r | Unknown | Hanjie Tan, Guoyou Sun, Mi Zhang, Xing Gao (Xingming Observatory) | TNS |
| 250 | XM46HT | AT 2021bkd | 03 04 04.19 +42 52 02.3 | Per | 2021.01.30.62597 (15:01:24 UT) | 17.62 r | Unknown | Hanjie Tan, Guoyou Sun, Mi Zhang, Xing Gao (Xingming Observatory) | TNS |
| 251 | XM49HT | AT 2021blq | 22 54 44.67 +59 40 34.5 | Cep | 2021.02.01.55630 (13:21:04 UT) | 16.45 r | Unknown | Hanjie Tan, Guoyou Sun, Mi Zhang, Xing Gao (Xingming Observatory) | TNS |
| 252 | XM50HT | AT 2021blr (=ZTF19accnknw) | 22 55 44.89 +58 28 09.5 | Cep | 2021.02.01.57323 (13:45:27 UT) | 15.61 r | Unknown | Hanjie Tan, Guoyou Sun, Mi Zhang, Xing Gao (Xingming Observatory) | TNS |
| 253 | XM50MZ | AT 2021boa (=PNV J00434645+4133408) (=ZTF21aagkzve) | 00 43 46.45 +41 33 40.8 | M31 | 2021.02.03.58014 (13:55:24 UT) | 16.8 CV | Nova FeII | Mi Zhang, Xing Gao (Xingming Observatory) | TNS TOCP ATEL 14370 |
| 254 | XM51HT | AT 2021bxp (=TCP J10203579+3103424) (=ZTF21aaherhg) | 10 20 35.79 +31 03 42.4 | Lmi | 2021.02.05.90946 (21:49:37 UT) | 12.98 r | UGSU/UGWZ | Hanjie Tan, Guoyou Sun, Mi Zhang, Jingyuan Zhao, Xing Gao (Xingming Observatory) | TNS TOCP VSX ATEL 14374 |
| 255 | XN02JR | AT 2021clj (=PNV J00424827+4119374) (=ZTF21aajzhgk) | 00 42 48.27 +41 19 37.4 | M31 | 2021.02.09.54943 (13:11:11 UT) | 18.0 G | Nova | Jiangao Ruan, Xing Gao (Xingming Observatory) | TNS TOCP ATEL 14423 |
| 256 | XOSS-V J060241.12+401058.4 | 06 02 41.12 +40 10 58.4 | Aur | 2021.02.09 | 13.98-14.00 CV | DSCT | Guoyou Sun, Mi Zhang, Zhijian Xu, Hanjie Tan, Jiangao Ruan, Jingyuan Zhao, Xing Gao | VSX | |
| 257 | XOSS-V J055905.85+401133.4 | 05 59 05.85 +40 11 33.4 | Aur | 2021.02.09 | 14.77-14.80 CV | DSCT | Guoyou Sun, Mi Zhang, Zhijian Xu, Hanjie Tan, Jiangao Ruan, Jingyuan Zhao, Xing Gao | VSX | |
| 258 | XOSS-V J055833.04+401713.3 | 05 58 33.04 +40 17 13.3 | Aur | 2021.02.11 | 15.50-15.53 CV | DSCT | Guoyou Sun, Mi Zhang, Zhijian Xu, Hanjie Tan, Jiangao Ruan, Jingyuan Zhao, Xing Gao | VSX | |
| 259 | XOSS-V J055805.53+400449.0 | 05 58 05.53 +40 04 49.0 | Aur | 2021.02.11 | 12.865-12.915 CV | DSCT | Guoyou Sun, Mi Zhang, Zhijian Xu, Hanjie Tan, Jiangao Ruan, Jingyuan Zhao, Xing Gao | VSX | |
| 260 | XOSS-V J060051.48+395720.8 | 06 00 51.48 +39 57 20.8 | Aur | 2021.02.12 | 13.054-13.068 CV | DSCT | Guoyou Sun, Mi Zhang, Zhijian Xu, Hanjie Tan, Jiangao Ruan, Jingyuan Zhao, Xing Gao | VSX | |
| 261 | XM51MZ | AT 2021dcd (=PNV J00420424+4042336) (=ZTF21aamauao) | 00 42 04.24 +40 42 33.6 | M31 | 2021.02.16.57161 (13:48:32 UT) | 17.9 CV | Nova FeII | Mi Zhang, Xing Gao (Xingming Observatory) | TNS TOCP ATEL 14412 |
| 262 | XOSS-V J055944.89+400605.5 | 05 59 44.89 +40 06 05.5 | Aur | 2021.02.18 | 14.845-14.865 CV | DSCT | Guoyou Sun, Mi Zhang, Zhijian Xu, Hanjie Tan, Jiangao Ruan, Jingyuan Zhao, Xing Gao | VSX | |
| 263 | XOSS-V J060206.26+384953.9 | 06 02 06.26 +38 49 53.9 | Aur | 2021.02.18 | 13.275-13.315 CV | EA | Guoyou Sun, Mi Zhang, Zhijian Xu, Hanjie Tan, Jiangao Ruan, Jingyuan Zhao, Xing Gao | VSX | |
| 264 | XOSS-V J060231.44+385152.2) | 06 02 31.44 +38 51 52.2 | Aur | 2021.02.19 | 15.66-15.72 CV | DSCT | Guoyou Sun, Mi Zhang, Zhijian Xu, Hanjie Tan, Jiangao Ruan, Jingyuan Zhao, Xing Gao | VSX | |
| 265 | XM55HT | AT 2021dzs (=TCP J20075998+4734227) (=ZTF21aanrxap) | 20 07 59.98 +47 34 22.7 | Cyg | 2021.02.28.93343 (22:24:08 UT) | 16.93 r | UG: | Hanjie Tan, Guoyou Sun, Mi Zhang, Jingyuan Zhao, Xing Gao (Xingming Observatory) | TNS TOCP VSX |
| 266 | XM52MZ | PNV J00423449+4117298 (=AT 2020abqz) (=ZTF20acvbneg) | 00 42 34.49 +41 17 29.8 | M31 | 2021.03.01.55789 (13:23:22 UT) | 18.3 CV | Unknown | Mi Zhang, Xing Gao (Xingming Observatory) | TNS TOCP |
| 267 | XM59HT | AT 2021fms (=ZTF18abygxhl) | 21 18 46.00 +54 57 27.6 | Cyg | 2021.03.04.94506 (22:40:53 UT) | 15.37 r | Unknown | Hanjie Tan (Institute of Astronomy, National Central University), Mi Zhang, Guoyou Sun, Jingyuan Zhao (Xingming Observatory), Quanzhi Ye (Department of Astronomy, University of Maryland), Xing Gao (Xingming Observatory) | TNS |
| 268 | XN03JR | AT 2021fbz (=PNV J00434013+4127123) | 00 43 40.18 +41 27 12.6 | M31 | 2021.03.08.59433 (14:15:50 UT) | 16.5 CV | Nova | Jiangao Ruan, Mi Zhang, Xing Gao (Xingming Observatory) | TNS TOCP ATEL 14449 |
| 269 | XM64HT | AT 2021hdk (=TCP J17462369+1209390) (=ZTF21aaqmqyp) | 17 46 23.69 +12 09 39.0 | Oph | 2021.03.25.86248 (20:41:58 UT) | 15.71 r | UG: | Hanjie Tan (Institute of Astronomy, National Central University), Mi Zhang, Guoyou Sun, Jingyuan Zhao (Xingming Observatory), Quanzhi Ye (Department of Astronomy, University of Maryland), Xing Gao (Xingming Observatory) | TNS TOCP VSX |
| 270 | XM65HT | AT 2021iep (=PSN J05191666+4444308) (=ZTF21aasdyot) | 05 19 16.66 +44 44 30.8 | Aur | 2021.04.04.66508 (15:57:42 UT) | 16.93 r | UG: | Hanjie Tan (Institute of Astronomy, National Central University), Mi Zhang, Guoyou Sun, Jingyuan Zhao (Xingming Observatory), Quanzhi Ye (Department of Astronomy, University of Maryland), Xing Gao (Xingming Observatory) | TNS TOCP VSX |
| 271 | XM66HT | AT 2021jba | 19 15 47.00 +41 31 00.3 | Lyr | 2021.04.10.82413 (19:46:45 UT) | 15.83 r | Unknown | Hanjie Tan (Institute of Astronomy, National Central University), Mi Zhang, Guoyou Sun, Jingyuan Zhao (Xingming Observatory), Quanzhi Ye (Department of Astronomy, University of Maryland), Xing Gao (Xingming Observatory) | TNS |
| 272 | XM53MZ | AT 2021jwr (=PNV J00424656+4114263) | 00 42 46.56 +41 14 26.3 | M31 | 2021.04.16.91905 (22:03:26 UT) | 18.0 CV | Unknown | Mi Zhang, Xing Gao (Xingming Observatory) | TNS TOCP |
| 273 | XM67HT | AT 2021kjs | 18 54 35.43 +19 09 49.8 | Her | 2021.04.20.90194 (21:38:48 UT) | 17.12 r | Unknown | Hanjie Tan (Institute of Astronomy, National Central University), Mi Zhang, Guoyou Sun, Jingyuan Zhao (Xingming Observatory), Quanzhi Ye (Department of Astronomy, University of Maryland), Xing Gao (Xingming Observatory) | TNS |
| 274 | XM68HT | AT 2021kjt | 17 04 36.15 +30 52 31.9 | Her | 2021.04.20.82238 (19:44:14 UT) | 17.96 r | Unknown | Hanjie Tan (Institute of Astronomy, National Central University), Mi Zhang, Guoyou Sun, Jingyuan Zhao (Xingming Observatory), Quanzhi Ye (Department of Astronomy, University of Maryland), Xing Gao (Xingming Observatory) | TNS |