Host galaxy of SN1999bu GSC2523.1940 113942.40 +315432.2 (2000.0) 10.97 1 N USNO1200.06827721 113941.562 +315440.36 (2000.0) 12.5 16.4 USNO1200.06827753 113942.196 +315431.92 (2000.0) 8.2 9.0 * USNO1200.06827762 113942.402 +315432.29 (2000.0) 11.0 99.9 113942.3 +315434 (2000.0) RC3_NGC3786 PGC36158 .SXT1P. 113942.4 +315434 (2000.0) N3786 113942.5 +315433 (2000.0) CfA_N3786 v=2712km/s Bmag=13.5 113942.6 +315433 (2000.0) QSO_MARK744 S1 13. z=0.010 113942.6 +315438 (2000.0) 1WGAJ1139.7+3154 0.3680 0.13 3.10 0.60 1.01 obs=1992.341 113942.7 +315438 (2000.0) 1RXPJ113942+3154.6 0.3540 0.94 0.47 Expected supernova maxima SN Ia: 14.5 SN II: 16.5