SN 2009nr UBVRI light curves

We present the results of our UBVRI CCD photometry for the second brightest supernova of 2009, SN 2009nr, discovered during a sky survey with the telescopes of the MASTER...本文报道了我们针对2009年第二亮超新星SN 2009nr所开展的UBVRI波段电荷耦合器件（Charge-Coupled Device，CCD）测光结果，该超新星是依托MASTER望远镜开展的巡天观测中发现的。