Messier 109
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Location / Date |
Zellerndorf, March 2018 |
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Telescope / Mount / Guiding |
ASA 10" Astrograph, ASA 3" Wynne-Corrector (focal length 910mm) |
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Camera / Exposure |
Moravian G3-16200, Astrodon filters
L 49 x 10min, R 16 x 6min, G 16 x 6min, B 16 x 6min Total exposure time: 12h 58min |
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Processing |
PixInsight, Fitswork, Photoshop |
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Notes |
Messier 109 (also known as NGC 3992) is a barred spiral galaxy approximately 70 million light-years away in the constellation Ursa Major. M109 has three satellite galaxies (UGC 6923, UGC 6940 and UGC 6969) and possibly might have more. M109 can be seen southeast of the star Phecda (γ UMa). |