Аннотация:MASTER OT J142230.43+322310.5 (Chasovnikov et al. ATEL #12201) - blazar B2 1420+32 optical flare with unfiltered m_bla=14.6
MASTER-Kislovodsk ( Lipunov et al., "MASTER Global Robotic Net", Advances in Astronomy, 2010, 30L )
reobserved blazar B2 1420+32, following up Marchini et al. ATEL #12886 detection of optical flare
The OT has unfiltered (W=0.2B+0.R by USNO-B1.0 B2,R2) m_OT=14.6 on 2019-06-25 20:04:07UT (mlim=20.0)
There are several previous flares and automatic photometry in MASTER database:
2018-11-09 02:20:40.993UT 17.1 MASTER-Kislovodsk
2018-10-31 15:13:32.484UT 15.9 MASTER-Kislovodsk
2018-10-11 16:00:30.638UT 17.5 MASTER-Kislovodsk
2018-02-06 20:32:14.364UT 17.8 MASTER-Kislovodsk
2018-01-03 04:23:05.675UT 15.6 MASTER-Tavrida
2016-03-01 04:48:55.769UT 18.1 MASTER-IAC