Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  IC 4263  ·  IC 4277  ·  IC 4278  ·  M 51  ·  NGC 5194  ·  NGC 5195  ·  Whirlpool Galaxy
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M 51 - The Whirlpool Galaxy, James E.
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M 51 - The Whirlpool Galaxy

Getting plate-solving status, please wait...
M 51 - The Whirlpool Galaxy, James E.
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M 51 - The Whirlpool Galaxy

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Description

M 51 is a grand design spiral galaxy located in Canes Venatici and is about 31 million light years from Earth. It is approx. 76,000 light years in diameter with spiral arms and dust lanes that lie in front of its companion galaxy, NGC 5195. Faint tidal debris surrounds NGC 5195.

-- APOD October 19, 2017

Taken over several nights: Apr 21-23, 26; May 14 and 18, 2021.

Revision B - added some 5+ hours Ha data using my ASI1600MM

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  • M 51 - The Whirlpool Galaxy, James E.
    Original
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    M 51 - The Whirlpool Galaxy, James E.
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Description: Added Ha data

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M 51 - The Whirlpool Galaxy, James E.