2009CBET.1971....4H

Hornoch also reports his independent discovery, with P. Kusnirak, of the apparent nova 2009-10b announced on CBET 1967, from a co-added 2400-s R-band CCD frame taken by Kusnirak with the 0.65-m telescope at Ondrejov on Oct. 9.986 UT. The new object is marginally visible on single 60-sec images used for the co-added image, but it is not present on numerous archive images taken at Lelekovice and Ondrejov back to 2002. Hornoch provides the following position for 2009-10b: R.A. = 0:42:20.85, Decl. = +41:16:44.3 (equinox 2000.0), which is 265" west and 36" north of the center of M31. Available R-band magnitudes for 2009-10b: June 3.474, [20.2 (O. Pejcha, 1.3-m telescope at MDM Observatory); 6.027, [20.0 (K. Hornoch, 0.65-m telescope at Ondrejov); Sept. 30.762, [19.9 (P. Kusnirak, 0.65-m telescope at Ondrejov); Oct. 9.986, 18.8 (Kusnirak). Nothing visible at this position on numerous Lelekovice and Ondrejov images back to 2002.