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POSSIBLE NOVA IN M33 – XM48MZ

Mi Zhang, Xing Gao (Xingming Observatory), report the discovery of a possible nova (mag approximately 17.9) on several 300-s survey images (limiting mag about 18.5) taken by Xing Gao at Xingming Observatory #3 ( N88 ) around Jan. 03.68773, 2021 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). The new object approximately located at R.A.=01h33m22s.00 Decl.=+30°33’01”.2 (equinox 2000.0). Which is about 372.9″ west and 395.8″ south of the center of the NGC598(M33). Nothing is visible at this position on archival images taken on Dec. 31.54859, 2020 (limiting mag 18.5). All images can be seen from: http://xjltp.china-vo.org/xm48mz.html

NET UCAC-4
XM48MZ C2021 01 03.68773 01 33 22.00 +30 33 01.2 17.9 r N88

Discovery image taken by N88 on Jan. 03.64895 UTC, 2021 Confirm image taken by N88 on Jan. 03.68773 UTC, 2021
Archival image taken by N88 on Dec. 31.54859 UTC, 2020 PS Image

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