[vsnet-alert 22277] CH Cyg sudden fading

[Taichi Kato]

CH Cyg sudden fading

  (Reported in BAAVSS alert.  The event was detected
by several observers).  I wonder if this fading is
similar to what was observed in 1984 July.

  YYYYMMDD(UT)   mag  observer
  20180609.605    68  (Hiroyuki Maehara)
  20180610.951    68  (Gary Poyner)
  20180611.949    66  (Pavol A. Dubovsky)
  20180612.117  6.94V  (Robert J. Modic)
  20180613.583    70  (Hiroyuki Someya)
  20180614.123  6.45V  (Robert J. Modic)
  20180614.949    66  (Gary Poyner)
  20180616.733    68  (Hiroyuki Maehara)
  20180617.9424   68  (Gustav Holmberg)
  20180621.628    68  (Masashi Nakatani)
  20180621.9292   68  (Eddy Muyllaert)
  20180621.955    68  (Gary Poyner)
  20180622.599    69  (Masashi Nakatani)
  20180622.9361   68  (Eddy Muyllaert)
  20180622.951    66  (Gary Poyner)
  20180624.656    71  (Hiroyuki Maehara)
  20180624.708    70  (Masashi Nakatani)
  20180624.953    69  (Gary Poyner)
  20180625.9285   73  (Eddy Muyllaert)
  20180626.090  7.30V  (Robert J. Modic)
  20180626.951    74  (Gary Poyner)
  20180627.966    74  (Gary Poyner)
  20180628.958    76  (Gary Poyner)
  20180629.938    77  (Gary Poyner)
  20180630.956    79  (Gary Poyner)