TCP J21040470+4631129 was discovered by Hideo Nishimura (Shizuoka-ken, Japan)
R.A. 21h04m04.70s, Decl. +46°31'12.9" (J2000.0)
2019 July 12.490 UT, 9.2 mag (CCD, unfiltered)
Discoverer: Hideo Nishimura (Shizuoka-ken, Japan)
A discovery image at http://www.oaa.gr.jp...SNinCyg2019.jpg
Two hours ago I was able to capture one 30 sec frame through the clouds and estimate brightness as 9.0 cV mag.