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.
(Check your inbox for the email version if the webpage is not yet available.)
Many thanks and good observing - Elizabeth Waagen, AAVSO HQ