Alert Notice 495 on PSN J09554214+6940260
We just issued AAVSO Alert Notice 495 on the bright (11th mag V) Type-Ia supernova in M82 = PSN J09554214+6940260. This Alert Notice gives particulars and announces an observing campaign. Visual and photometric observations are strongly requested.
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Many thanks and good observing - Elizabeth Waagen, AAVSO HQ