POSSIBLE SUPERNOVA IN LEDA 2748946 – XM33MZ

GRB 200829A.

Mi Zhang and Xing Gao, report the discovery of a possible supernova (mag approximately 18.8) on several 120 -s survey images (limiting mag about 19.5) taken by Xingming Observatory Sky Survey(C42) around Aug. 29.83082 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). The new object approximately located at R.A.=16h44m49s.19 Decl.=+72°19’45”.1 (equinox 2000.0). Which is about 29.7″ west and 1.1″ north of the center of the LEDA 2748946. Nothing is visible at this position on PanSTARRS-DR1. All images can be seen from: http://xjltp.china-vo.org/xm33mz.html

NET Gaia DR2
XM33MZ C2020 08 29.83082 16 44 49.19 +72 19 45.1 18.8 G N88
XM33MZ C2020 08 29.83247 16 44 49.18 +72 19 45.1 18.7 G N88
XM33MZ C2020 08 29.83411 16 44 49.16 +72 19 45.4 18.6 G N88
XM33MZ C2020 08 29.83576 16 44 49.14 +72 19 45.3 18.6 G N88
XM33MZ C2020 08 29.83741 16 44 49.12 +72 19 45.4 18.5 G N88
XM33MZ C2020 08 29.83907 16 44 49.17 +72 19 45.4 18.7 G N88
XM33MZ C2020 08 29.84073 16 44 49.16 +72 19 45.5 19.0 G N88
XM33MZ C2020 08 29.84240 16 44 49.16 +72 19 45.7 19.1 G N88
XM33MZ C2020 08 29.87264 16 44 49.17 +72 19 45.3 18.8 G N88
XM33MZ C2020 08 29.87426 16 44 49.13 +72 19 45.1 18.7 G N88
XM33MZ C2020 08 29.87589 16 44 49.14 +72 19 45.3 18.7 G N88
XM33MZ C2020 08 29.87752 16 44 49.13 +72 19 45.4 18.6 G N88

Discovery image taken by N88 on Aug. 29.83082 UT,2020

 

Confirm image taken by N88 on Aug. 29.83247 UT,2020

 

PS image

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