Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  HD122865  ·  M 101  ·  NGC 5447  ·  NGC 5449  ·  NGC 5450  ·  NGC 5451  ·  NGC 5453  ·  NGC 5455  ·  NGC 5457  ·  NGC 5461  ·  NGC 5462  ·  NGC 5471  ·  NGC 5477  ·  Pinwheel galaxy
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M101 LHaRGB, kaelig
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M101 LHaRGB

Getting plate-solving status, please wait...
M101 LHaRGB, kaelig
Powered byPixInsight

M101 LHaRGB

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Description

It is my first LHaRGB with Ha integration with Pixinsight soft.

The Pinwheel Galaxy (also known as Messier 101M101 or NGC 5457) is a face-on spiral galaxy 21 million light-years (6.4 megaparsecs)=10.5px away from Earth in the constellationUrsa Major.

M101 is a large galaxy, with a diameter of 170,000 light-years. By comparison, the Milky Way has a diameter of between 100,000 and 120,000=10.5px  light-years. It has around a trillion stars. It has a disk mass on the order of 100 billion solar masses, along with a small central bulge of about 3 billion solar masses.=10.5px Its characteristics can be compared to those of Andromeda Galaxy.

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  • M101 LHaRGB, kaelig
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    M101 LHaRGB, kaelig
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M101 LHaRGB, kaelig

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