Host galaxy of possible SN in NGC309 GSC5270.298 005642.79 -095449.5 (2000.0) 8.01 0 USNO0750.00227185 005642.798 -095449.58 (2000.0) 8.0 99.9 USNO0750.00227364 005645.628 -095449.35 (2000.0) 17.3 11.8 IRAS00542-1010 005412.0 -101057 (1950.0) F12=0.25L F25=0.33L F60=1.90 F100=6.31 VAR=-1 LRS=-1 005642.2 -095448 (2000.0) FSC00541-1011 0.172 0.235 1.809 6.123 005642.3 -095452 (2000.0) N0309 005642.6 -095450 (2000.0) RC3_NGC309 PGC3377 .SXR5.. BT=12.50 005642.8 -095444 (2000.0) IRAS00542-1010 0.256L 0.325L 1.943 6.319 -1% 005642.8 -095444 (2000.0) SSC00542-1010 0.256L 0.325L 1.943 6.319 005642.8 -095447 (2000.0) CfA_N309 v=5666km/s Bmag=12.34 005648.8 -095347 (2000.0) M-02-03-050 Expected supernova maxima SN Ia: 16.1 SN II: 18.1 hypernova: 14.1