[vsnet-alert 22164] Re: CH Cyg bright

[gjmluna]

NuSTAR and XMM simultaneous observations are planned during 2018-05-23 
20:34:32 to 2018-05-24 06:36:12
Optical spectroscopy and photometry are encouraged.
best
-Gerardo Luna

On 2018-05-15 01:37, Taichi Kato wrote:
> CH Cyg bright
>
>    Brightening reported by Colin Henshaw in baavss-alert.
>
>   YYYYMMDD(UT)   mag  observer
>   20180504.9889   71  (Eddy Muyllaert)
>   20180505.773    65  (Masashi Nakatani)
>   20180505.9264   67  (Gustav Holmberg)
>   20180505.9861   71  (Eddy Muyllaert)
>   20180506.039    69  (Gary Poyner)
>   20180506.9868   69  (Eddy Muyllaert)
>   20180507.075    68  (Gary Poyner)
>   20180507.9771   68  (Eddy Muyllaert)
>   20180509.056    64  (Gary Poyner)
>   20180509.210  6.31V  (Robert J. Modic)
>   20180510.762    67  (Masashi Nakatani)
>   20180510.9076   68  (Eddy Muyllaert)
>   20180511.056    65  (Gary Poyner)
>   20180511.742    69  (Yasunori Watanabe)
>   20180511.767    68  (Masashi Nakatani)
>
>    The present state may be the brightest in the recent
> (nearly) 20 years.