Mi Zhang, Xing Gao (Xingming Obs), report the discovery of a possible nova at 20.6 CV on several 300-s survey images (limiting mag about 21.0 CV) taken by Xing Gao at Xingming Observatory “#”3 (N88) around Dec. 23.00573, 2021 UT using a unfiltered CCD (+ 0.6-m f/8 Ritchey-Chretien telescope). The transient approximately located at RA=13h29m58.04s, DEC = +47d12m31.7s (equinox 2000.0). Nothing is visible at this position on archival images taken on Dec. 22.00759, 2021 UT (limiting mag 21.0 CV). Details can be found at: http://xjltp.china-vo.org/xm68mz.html
XM68MZ KC2021 12 23.00573 13 29 58.04 +47 12 31.7 20.58CV N88
XM68MZ KC2021 12 24.00576 13 29 58.08 +47 12 30.7 20.41CV N88
XM68MZ KC2021 12 25.00571 13 29 58.15 +47 12 31.6 20.39CV N88
XM68MZ KC2021 12 25.85774 13 29 58.02 +47 12 32.5 20.47CV N88
XM68MZ KC2021 12 28.96128 13 29 58.04 +47 12 31.8 20.70CV N88
XM68MZ KC2022 01 01.00594 13 29 58.11 +47 12 32.3 20.93CV N88
XM68MZ KC2022 01 03.01572 13 29 58.06 +47 12 31.6 20.83CV N88
XM68MZ KC2022 01 09.00598 13 29 58.09 +47 12 31.2 20.61CV N88
XM68MZ KC2022 01 11.00499 13 29 58.08 +47 12 31.8 20.64CV N88
 |
 |
| Discovery image taken around Dec. 23.00573, 2021 UT at N88 | Archival image taken around Dec. 22.00759, 2021 UT at N88 |
 |
 |
| Follow-up image taken around Dec. 24.00576, 2021 UT at N88 | PS image |