Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's galaxy  ·  Bode's nebulae  ·  Cigar galaxy  ·  M 81  ·  M 82  ·  NGC 2976  ·  NGC 3031  ·  NGC 3034  ·  NGC 3077
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M81 Bode's Galaxy-M82 Cigar Galaxy-H-alpha filter, Adel Kildeev
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M81 Bode's Galaxy-M82 Cigar Galaxy-H-alpha filter

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M81 Bode's Galaxy-M82 Cigar Galaxy-H-alpha filter, Adel Kildeev
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M81 Bode's Galaxy-M82 Cigar Galaxy-H-alpha filter

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Description

Using very short time when skies got clear, testing HA on Bode's and Cigar Galaxies, my first experience. I did not expect that galaxies have such significant hydrogen emission. I understand now why many astrophotographers suggest to use HA filter instead of or together with L channel. makes perfect sense. Due to bad weather I was able to make 3 lights only (300 sec.x3), but I imagine what I could get with few hours total exposition + RGB.

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M81 Bode's Galaxy-M82 Cigar Galaxy-H-alpha filter, Adel Kildeev