Host galaxy of SN1999br GSC301.624 130039.12 +023000.1 (2000.0) 6.80 0 N GSC301.624 130039.30 +023001.0 (2000.0) 8.67 1 N USNO0900.07334617 130039.170 +023000.41 (2000.0) 99.9 11.7 * IRAS12580+0246 125805.8 +024612 (1950.0) F12=0.33 F25=0.48 F60=5.75 F100=12.02 VAR= 2 LRS=-1 VIII: different sort of object 130038.6 +023003 (2000.0) IRAS12580+0246 0.341 0.468 5.497 12.250 2% 130038.6 +023003 (2000.0) SSC12580+0246 0.341 0.468 5.497 12.250 130038.9 +022951 (2000.0) M+01-33-035 130038.9 +022951 (2000.0) U08116 130038.9 +022951 (2000.0) ZG1258+02 130038.9 +022957 (2000.0) N4900 130039.2 +023002 (2000.0) CfA_N4900 v=962km/s Bmag=12.17 130039.3 +023001 (2000.0) RC3_NGC4900 PGC44797 .SBT5.. BT=11.90 130039.6 +023000 (2000.0) FSC12581+0246 0.389 0.518 5.339 14.290 Expected supernova maxima SN Ia: 12.2 SN II: 14.2