You don’t see a supernova for ages and then 2 come along in the space of a month or so. This type II supernova has been designated SN2011dh. Interestingly it was 2005 when the last Supernova was witnessed in M51. Image taken with SX-VR H36 through 12″ LX200R using SX large format adaptive optics and a IDAS II LP filter.

M51 Type II Supernova SN 2011dh 3-06-2011

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