Hanjie Tan, Guoyou Sun, Mi Zhang, Xing Gao (Xingming Observatory), report ~0.1 mag outburst in a known variable star ( 17.96 r ) which is 18.09 rmag in Pan-STARRS DR1 catalogue. The transient was discovered on several 120-s survey images ( limiting mag about 18.5 ) taken by Xing Gao at Xingming Observatory #3 ( N88 ) around Jan. 03.79194, 2021 UT using a unfiltered CCD ( 0.3-m f/3.6 reflector ). Images can be found at: http://xjltp.china-vo.org/xm29ht.html
XM29HT C2021 01 03.79194 05 24 30.79 +44 39 33.3 17.96 r N88
*Known VS BMAM-V773