[vsnet-alert 20718] MASTER OT J195939.11+473130.7 optical detection = V2309 Cyg

MASTER Lipunov V.M. lipunov at master.sai.msu.ru
Wed Mar 1 04:34:03 JST 2017


MASTER-Tunka detected optical transient MASTER OT J195939.11+473130.7 at 19h 59m 39.11s +47d 31m 30.7s on 2017-02-27.726 UT with unfilterd m_OT=9.9 (W=0.2B+0.8R calibrated by thousands USNO-B1 stars in the field)



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