12 May
2023
12 May
'23
12:44 a.m.
V351 UMa outburst Subtype unknonwn. No really long outburst in the past. YYYYMMDD(UT) mag observer 20230509.5977 173:C (Masayuki Moriyama) 20230509.972 <153 (Gary Poyner) 20230510.5293 154C (Masayuki Moriyama)