2010CBET.2559....2N

The apparent nova was discovered independently by Koichi Nishiyama (Kurume, Japan) and Fujio Kabashima (Miyaki, Japan) at mag 16.7 on eight 40-s unfiltered CCD frames (limiting magnitude 19.4) taken around Nov. 28.542 UT with a Meade 200R 0.40-m f/9.8 reflector (+ SBIG STL1001E camera). They measure M33N 2010-11a to be located at position end figures 27s.54, 28".4, which is 301" west and 1329" south from the center of the galaxy M33. Additional magnitudes by Nishiyama and Kabashima for M33N 2010-11a: 1989 Dec. 4, [19.5 (DSS, infrared); 1991 Oct. 5, [19.4 (DSS, red); 2010 Nov. 24.551, [19.1; 26.520, [19.6; 29.629, 16.5.