http://vsnet3.ocn.ne.jp/~sanosn/2003sn/2003du.html object YYYYMMDD(UT) mag code SN2003du 20030426.548 13.98CR San.VSOLJ Observer's code: San: Yasuo Sano (Nayoro, Hokkaido,Japan) Instruments: 28cm-SCT + ST-9E 50s exp. Comparison stars: USNO-B1.0 stars, R1 ma
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