[vsnet-alert 26135] Re: RS Ophiuchi eruption confirmed

[JBD]

I would like to propose this spectrum of RS-OPH done despite cloud cover 
of more than 25% and done with an alpy-600.

Stacks of 9 images of 500 sec.

Jean-Bruno Desrosiers (JBD)
Observatoire du Mont St-Joseph.
http://omsj.info | AAVSO: DJED
Latitude : N45.26' | Longitude : O71 06'

Le 2021-08-09 à 00:01, Kirill Sokolovsky a écrit :
> YYYYMMDD(UT) mag
> 20210809.12432  4.77V
>
> Preliminary photometry with the 0.6m telescope of Michigan State 
> University.
> Assuming V= 9.34 for the comparison star HD 162215.
>
> Best wishes,
> Kirill Sokolovsky
>