Supernova in M101 David Finnigan Deep Sky news 23rd May 202323rd May 2023 Member David Davies took this image of the new supernova SN 2023 ixf within M101 in the constellation of Ursa Major: M101 and SN 2023 ixf (circled) photographed by David Davies on 22–23 May 2023 using a 250 mm reflecting telescope.