Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 101  ·  NGC 5447  ·  NGC 5449  ·  NGC 5450  ·  NGC 5451  ·  NGC 5453  ·  NGC 5455  ·  NGC 5457  ·  NGC 5461  ·  NGC 5462  ·  NGC 5471  ·  NGC 5477  ·  PGC 2464645  ·  PGC 2468609  ·  PGC 2469762  ·  PGC 2470911  ·  PGC 2816075  ·  PGC 49919  ·  Pinwheel galaxy  ·  SS UMa
M101 H-Alpha only, Albert van Duin
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M101 H-Alpha only

M101 H-Alpha only, Albert van Duin
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M101 H-Alpha only

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Description

16 x 1200s H-Alpha during a single night. This galaxy has a lot of H-Alpha!

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M101 H-Alpha only, Albert van Duin

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Galaxies Explorers in Hydrogen