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2001B in IC391 Type Ia
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| object YYMMDD(UT) mag B-V
V-R SN2001B 20010108.469 +15.35B 0.64 0.21 SN2001B 20010108.474 +14.72V SN2001B 20010108.478 +14.51R SN2001B 20010114.380 +15.08B 0.64 -0.06 SN2001B 20010114.382 +14.44V SN2001B 20010114.384 +14.49R Comparison stars: GSC 4515 1431Tycho stars V:+11.50, B-V : 0.375 object YYMMDD(UT) mag SN2001B 20010108.458 +14.70CR SN2001B 20010114.435 +14.44CR Comparison stars: GSC 4515 1431Tycho stars V:+11.50, B-V : 0.375 object YYMMDD(UT) mag SN2001B 20010108.458 +14.89CR SN2001B 20010114.435 +14.70CR Comparison stars: Magnitudes based on 2 USNO(star chart No 1,3) stars, -------------------------------------------------------------- San: Y. Sano (Nayoro, Hokkaido,Japan) Instruments: 28cm-SCT + ST-9E |