Discovery of a Probable Nova in M81
ATel #7286; K. Hornoch (Astronomical Institute, Ondrejov, Czech Republic), J. Vrastil, H. Kucakova (Astronomical Institute, Charles U., Prague, Czech Republic)
on 24 Mar 2015; 23:28 UT
Credential Certification: Allen W. Shafter (aws@nova.sdsu.edu)
Subjects: Optical, Nova, Transient
We report the discovery of a probable nova in M81 on a co-added 1980-s unfiltered CCD frame taken on 2015 Mar. 24.146 UT with the 0.65-m telescope at Ondrejov.
The new object designated PNV J09544603+6909322 is located at R.A. = 9h54m46s.03, Decl. = +69o09'32".2 (equinox 2000.0), which is 252.1" west and 337.1" north of the center of M81 (see link to discovery image below).
The following unfiltered magnitudes were obtained using the 0.65-m telescope at Ondrejov (R-band magnitudes used from comparison stars):
2015 Mar. 17.808 UT, [22.1; 20.061, 21.6 ± 0.4 (prediscovery); 24.146, 20.5 ± 0.2.
Discovery image
