星明天文台

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POSSIBLE NOVA IN M31 – XN02JR

Jiangao Ruan, Xing Gao (Xingming Observatory), report the discovery of a possible nova (mag approximately 18.0) on several 300-s survey image (limiting mag about 19.5) taken by Xing Gao at Xingming Observatory #3 (N88) around Feb. 09.54943 UTC using a unfiltered CCD (+ 0.6-m f/8 Ritchey-Chretien telescope). The transient approximately located at R.A.=00h42m48.27s +41d19’37”.4 (equinox 2000.0). Which is about 44.5″ east and 208.9″ north of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Feb. 06.55062 (limiting mag 19.5) . Images can be found at: http://xjltp.china-vo.org/xn02jr.html

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