D. Denisenko (IKI), S. Korotkiy (Ka-Dar observatory) and T. Kryachko
(Astrotel observatory) confirm the possible supernova in M61 on their
images obtained with 80-mm f/7.5 refractor and CCD SBIG-ST2000XM. They
report the following astrometry with the reference to 2UCAC catalogue
(accuracy 0.2″): R.A. = 12h22m01s.75, Decl. = +04o28′48″.1. Unfiltered
CCD magnitude with red zero-point (USNO-A2.0): Dec. 29.05 UT, 15.1.