Tue, 04/30/2013 - 20:56
HST/COS observations of SDSS J154453.60+255348.8 scheduled for 2013 May 1 UT have been CANCELLED. Please continue to observe this system nightly until the current outburst is over. AAVSO Special Notice #349 has the details.
Good observing - Elizabeth Waagen, AAVSO HQ