A view on this supernova remnant that exploded in the year 1054, the supernova was visible during 23 days in daylight, and became 4 times brighter than Venus.
Image combination from Grandpré and Meldert, 79×60″ on Gain 100, Esprit120 F7,5 ASI2600MC
Messier 1 full view 75% reduced
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