Galaxy Messier 109 in Ursa Major

on Thursday, April 28, 2022
This is the barred-spiral galaxy Messier 109 (M109 or NGC 3992) found in the constellation Ursa Major. M109 is about 83 million light years away from Earth and has an apparent magnitude of 10.6. M109 has several satellite galaxies all visible in this image. Estimates indicate that this galaxy contains about 1 trillion stars!

Distance to Earth: 83 million light years
Apparent Magnitude: 10.6
Right ascension: 11h 57m 36.0s
Declination: +53° 22′ 28″
Apparent dimensions: 7.6 × 4.7 arc minutes

Tech Specs: Orion 8" f/8 Ritchey-Chretien Astrograph Telescope, Celestron CGEM-DX pier mounted, ZWO ASI290MC and ASI071MC-Pro, ZWO AAPlus, ZWO EAF, 135 x 60 seconds at -10C plus darks and flats, processed using PixInsight and DSS. Image Date: January 3, 2022. Location: The Dark Side Observatory, Weatherly, PA, USA (Bortle Class 4).
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