Supernova 2011ec in PGC 69507 = PSN J22413750-5736080. Milisavljevic, D. ; Fesen, R. ; Nordsieck, K. ; Pickering, T. ; O'Donoghue, D. Abstract Publication: Central Bureau Electronic Telegrams Pub Date: July 2011 Bibcode: 2011CBET.2765....2M