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Messier 48 in the constellation Hydra

Description of object:

Messier 48 (NGC 2548) is a 5.8 magnitude bright open star cluster in the constellation of the Water Snake Hydra), visible to the naked eye under good atmospheric conditions. The apparent size of the object is about 1 degree. The age of the star cluster is estimated to be 300 million years.

It contains stars between 9th and 13th magnitude, is located about 1,500 light years away from the solar system and is classified as class I 2 m according to Trumpler. It was discovered on 19 February 1771 by Charles Messier.

During our series of photographs the asteroid Helio stood near the star cluster. Images of Helio are shown here ...
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