Host galaxy of SN1999di GSC1757.1231 015954.50 +233839.6 (2000.0) 10.42 1 N USNO1125.00654970 015954.504 +233839.69 (2000.0) 10.4 99.9 USNO1125.00654971 015954.512 +233838.37 (2000.0) 8.5 10.9 * 015952.7 +233828 (2000.0) IRAS01570+2323 0.250L 0.377L 1.333 3.577 -1% 015952.7 +233828 (2000.0) SSC01570+2323 0.250L 0.377L 1.333 3.577 015954.0 +233834 (2000.0) FSC01570+2324 0.145 0.236 1.250 3.099 015954.1 +233831 (2000.0) M+04-05-030 015954.1 +233831 (2000.0) U01471 015954.1 +233831 (2000.0) ZG157+23 015954.5 +233836 (2000.0) CfA_N776 v=4924km/s Bmag=13.4 015954.6 +233836 (2000.0) RC3_NGC776 PGC7560 .SXT3.. Expected supernova maxima SN Ia: 15.8 SN II: 17.8 hypernova: 13.8