Supernova (SN 2020) in M61,

(Swelling Spiral galaxy)


Supernova (SN 2020) in M61, Swelling Spiral 

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*mag  = > light magnitude: Up to mag 3-4 stars are visible nearby cities with the naked eye, in very dark areas the seeing limit can reach up to mag 6-7.

The more higher numerical value is given, the more weaker are the objects. E.g. - 4,7 mag, Venus glittering; - 1,0 Sirius, brightest star; 3,5 M31 Andromeda, pale shiny oval)

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 ©2020 photos& text by Thorsten Boeckel (tb)

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