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[vsnet-campaign-v4641sgr 27] V4641 Sgr: slightly fading


    We have started photometric observation at Ouda observatory 
with 60-cm telescope from 16:30 (UT).  The object is slightly fainter.  
Our preliminary photometry yields Rc=11.7-11.9.  

    We perform the run with an exposure time of 1s and a time resolution 
of about 2.5s.  High-speed photometry is encouraged to study 
striking short-term modulations.

Regards,
Makoto Uemura

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