Mi Zhang, Xing Gao (Xingming Observatory), report the possible optical counterpart of GRB 220101A ( 18.5 r ). The transient was discovered on several 100-s, 200-s, 300-s survey images ( limiting mag about 19.0 ) taken by Xing Gao at Xingming Observatory #3 ( N88 ) around Jan. 01.53905, 2022 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). Images can be found at: http://xjltp.china-vo.org/xm61mz.html
NET Gaia DR2
XM61MZ C2022 01 01.53905 00 05 24.82 +31 46 08.3 18.48+-0.15R N88
XM61MZ C2022 01 01.54112 00 05 24.81 +31 46 08.3 18.52+-0.10R N88
XM61MZ C2022 01 01.54429 00 05 24.82 +31 46 08.4 18.46+-0.10R N88
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| Discovery image taken around Jan. 01.53905, 2022 UT at N88 | PS Image |