M82 and M81 Galaxies in SHO Narrowband Palette

M82 and M81 Galaxies in SHO Narrowband Palette

Thursday, April 30th, 2026 at 2:23:10 PM · 2026/Astrophotography

This deep-sky astrophotography image showcases two famous galaxies in Ursa Major: the larger barred spiral galaxy M81 (Bode's Galaxy) at the top and the edge-on starburst galaxy M82 (Cigar Galaxy) in the center. Captured using narrowband filters (SII, Ha, OIII) combined with broadband RGB and Luminance data, the image reveals the detailed structure of both galaxies against a star-filled background. The total integration time of 3.1 hours through a TMB-92 f/5.5 APO refractor with a ZWO ASI533MM Pro monochrome camera captured the subtle galactic details. The processing included Python workflows and Syqon Starless AI for star removal and recombination.

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