Hanjie Tan, Guoyou Sun, Mi Zhang, Xing Gao (Xingming Observatory), report ~2.6 mag outburst in a known variable star ( 16.54 r ) which is 19.16 rmag in Pan-STARRS DR1 catalogue. The transient was discovered on several 120-s survey images ( limiting mag about 18.0 ) taken by Xing Gao at Xingming Observatory #3 ( N88 ) around Jan. 31.67473, 2021 UT using a unfiltered CCD ( 0.3-m f/3.6 reflector ). Images can be found at: http://xjltp.china-vo.org/xm48ht.html
XM48HT C2021 01 31.67473 04 53 16.82 +38 16 30.2 16.54 r N88
*Known VS HV Aur
