[vsnet-alert 10126] V551 Sgr possible superoutburst

[Taichi Kato]

   The SU UMa-type dwarf nova V551 Sgr is undergoing a bright outburst,
possibly a superoutburst.  The last reported likely superoutburst was
in 2007 May (max 15.0, Stubbings).  Time-resolved photometry is
encouraged.

  YYYYMMDD(UT)   mag  observer
  20080404.3529 <14.50V  (ASAS (Pojmanski, G. 2002, Acta Astron. 52,397))
  20080407.3459 <14.50V  (ASAS (Pojmanski, G. 2002, Acta Astron. 52,397))
  20080410.3330 <14.50V  (ASAS (Pojmanski, G. 2002, Acta Astron. 52,397))
  20080413.3218 <14.50V  (ASAS (Pojmanski, G. 2002, Acta Astron. 52,397))
  20080416.2925 <14.50V  (ASAS (Pojmanski, G. 2002, Acta Astron. 52,397))
  20080418.3114 <14.50V  (ASAS (Pojmanski, G. 2002, Acta Astron. 52,397))
  20080420.3478 <14.50V  (ASAS (Pojmanski, G. 2002, Acta Astron. 52,397))
  20080427.483   140  (Rod Stubbings)