[vsnet-alert 16664] R CrB rapid brightening and fading?

[Taichi Kato]

R CrB rapid brightening and fading?

  YYYYMMDD(UT)   mag  observer
  20131004.781   143  (Jose Ripero)
  20131006.397  <134  (Tsuneo Horie)
  20131006.785   144  (Jose Ripero)
  20131006.855   144  (Gary Poyner)
  20131009.789   144  (Jose Ripero)
  20131011.111  14.117V  (Kevin B. Paxson)
  20131011.785  <141  (Jose Ripero)
  20131012.383  <134  (Tsuneo Horie)
  20131012.765  <143  (Chris Allen)
  20131013.376  14.11V  (Hiroshi Itoh)
  20131013.381  15.15B  (Hiroshi Itoh)
  20131013.385  13.01Rc  (Hiroshi Itoh)
  20131013.385  11.82Ic  (Hiroshi Itoh)
  20131013.400  <134  (Tsuneo Horie)
  20131013.416  142c  (Hiroshi Nishiyama)
  20131013.426  13.52Rc  (Kenji Hirosawa)
  20131013.426  12.55Ic  (Kenji Hirosawa)
  20131013.451  138cG  (Masayuki Moriyama)
  20131016.792  <134  (Jose Ripero)
  20131020.765   144  (Jose Ripero)
  20131021.101  13.294V  (Kevin B. Paxson)
  20131027.378  <134  (Tsuneo Horie)
  20131102.106  12.089V  (Kevin B. Paxson)
  20131104.747   122  (Gary Poyner)
  20131105.718   122  (Hans Bengtsson)
  20131117.689   112  (Hans Bengtsson)
  20131125.694   126  (Hans Bengtsson)
  20131125.732   127  (Marcus Jansson)