星明天文台

国内外享有盛誉的业余天文台,在这里汇聚了众多的顶尖爱好者。我们致力于彗星,小行星,超新星,新星等各类新天体的发现。

张宓 XM51MZ = AT 2021dcd = PNV J00420424+4042336 * M31河外新星

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 20.5) taken by Xing Gao at Xingming Observatory #3 (N88) around Feb. 16.57161, 2021 UTC using a unfiltered CCD (+ 0.6-m f/8 Ritchey-Chretien telescope). The transient approximately located at R.A.=00h42m04.24s +40d42’33”.6 (equinox 2000.0). Which is about 451.9″ west and 2014.9″ south of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Feb. 12.64922, 2021 (limiting mag 19.5). Images can be found at: http://xjltp.china-vo.org/xm51mz.html

NET UCAC-4
XM51MZ C2021 02 16.57161 00 42 04.24 +40 42 33.6 17.9 CV N88
XM51MZ C2021 02 16.57537 00 42 04.24 +40 42 33.6 17.9 CV N88

Discovery image taken by N88 on Feb. 16.57161 UTC,2021 Archival image taken by N88 on Feb. 12.64922 UTC,2021 PS Image

发表回复