[vsnet-alert 9839] CH UMa in rapid decline

[Ohshima]

CH UMa in rapid decline

 Reporting in previous mails, the UGSS type dwarf nova CH UMa is 
undergoing an unusual outburst. This star seems to be fading rapidly.
According to J. Ripero and E. Muyllaert, this star was fainter than 
13.3 on 19th though this star was 11.7 on 16th.

Recent observations;
  20071218.122  144V  (Eienne Morelle)
  20071222.837  <146  (Gary Poyner)
  20071230.945  <142  (Jose Ripero)
  20080105.953   139  (Gary Poyner)
  20080105.985   140  (Eddy Muyllaert)
  20080106.092   136  (Gary Poyner)
  20080106.719   128  (Wolfgang Kriebel)
  20080107.797   128  (Wolfgang Kriebel)
  20080107.822   130  (Gary Poyner)
  20080107.981   129  (Eddy Muyllaert)
  20080108.757   128  (Wolfgang Kriebel)
  20080112.787   128  (Eddy Muyllaert)
  20080114.078   127  (Pavol A. Dubovsky)
  20080116.897   117  (Eddy Muyllaert)
  20080119.812  <133  (Jose Ripero)