Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 101  ·  NGC 5457

Image of the day 05/15/2015

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Pinwheel Galaxy, Samuel
Pinwheel Galaxy
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Pinwheel Galaxy

Image of the day 05/15/2015

Getting plate-solving status, please wait...
Pinwheel Galaxy, Samuel
Pinwheel Galaxy
Powered byPixInsight

Pinwheel Galaxy

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Description

The Pinwheel Galaxy (also known as Messier 101, M101 or NGC 5457) is a face-on spiral galaxy distanced 21 million light-years (six megaparsecs) away in the constellation Ursa Major, first discovered by Pierre Méchain on March 27, 1781, and communicated to Charles Messier who verified its position for inclusion in the Messier Catalogue as one of its final entries.

Collaboration between Salvatore Iovene, Jaime Alemany and me.

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Pinwheel Galaxy, Samuel

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