Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  M 51  ·  NGC 5194  ·  NGC 5195  ·  Whirlpool galaxy
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Whirlpool Galaxy (M 51/NGC 5194 and NGC 5195), H-alpha, Eric Coles (coles44)
Whirlpool Galaxy (M 51/NGC 5194 and NGC 5195), H-alpha
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Whirlpool Galaxy (M 51/NGC 5194 and NGC 5195), H-alpha

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Description

This is the H-alpha layer that will go into the final HaLRGB image of M 51. Although it does not have the broad detail of the Luminescence it will help emphasize the emission nebulae at the core of the galaxy. In the final HaLRGB image the stars will be eliminated and only the central part of the image added to the red channel of the LRGB image to bring out the red emissions of hydrogen.

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Whirlpool Galaxy (M 51/NGC 5194 and NGC 5195), H-alpha, Eric Coles (coles44)