[vsnet-alert 21211] S2 0109+22 active state

[Stefan Karge]

Blazar S2 0109+22 in active state

object         date (UTC)      mag       comment  instr.  
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S2 0109+22    20161230.926    15.21CV              TNS
S2 0109+22    20170214.777    15.03CV              TNS
S2 0109+22    20170618.210    14.40CV    active    ART
S2 0109+22    20170628.132    14.59CV    active    ART
S2 0109+22    20170704.114    14.18CV    active    ART
S2 0109+22    20170705.163    14.36CV    active    ART
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Stefan Karge (SKA)

TNS: Taunus Obs., 60cm-CGT + CCD + Clear
ART: ART, COAST, 35cm-SCT + CCD + Clear

www.quasar.square7.ch/fqm/0109+224.html
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