M33 the Triangulum Galaxy located about 3 million light-years from Earth in the constellation Triangulum. The many beautiful emission nebulae (red ionised hydrogen) contained in this galaxy are visibles and detailed thanks to the exposures through the hydrogen filter which completes the classic LRVB exposures. Newton 250mm f/4 Lacerta Ioptron CEM120 Mount Camera ZWO ASI2600mm + ANTLIA LRGBHa filters Taken form my backyard in Amiens (France, Bortle 7) from 5 november to 21 december 2021 (21h30 exposures). L : 349 x 120s RGB : 30/44/50 x 120s Ha : 68 x 300s Processing : Pixinsight and Photoshop Mathieu Guinot
© Mathieu Guinot
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Backyard Astro Imaging Competition - Winter December 2021 to January 2022· 41 images
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