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[vsnet-alert 1242] Outburst of CH UMa

Outburst of CH UMa

  The SS Cyg-type dwarf nova with rather rare outbursts, CH UMa is undergoing
an outburst as indicated by the following observations.

  YYMMDD(UT)   mag  observer
  970923.122   149: (G. Hanson)
  970923.819  <144  (G. Poyner)
  970923.919  <133  (M. Westlund)
  970923.949  <137  (T. Kinnunen)
  970925.019  <137  (B. H. Granslo)
  970926.780   122  (J. Pietz)
  970926.835   123  (E. Broens)

  The last reported outburst of CH UMa occurred in 1996 November to December,
reaching mv=11.4.

Regards,
Taichi Kato

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