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corbin75 — Pinwheel Galaxy (M101) and NGC 5474
#astronomy #astrophotography #galaxy #photography #space
Published: 2024-04-04 07:38:32 +0000 UTC; Views: 21929; Favourites: 56; Downloads: 0
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Description
Pinwheel Galaxy (M101) and NGC 5474
I had to fight for this one tonight. Clouds and wind ruined half of my data, but still turned out ok.
Taken with Vixen A81M telescope, Explore Scientific iEXOS-100-02 mount, SvBony 60mmx220mm guide scope, SvBony 505c guide camera and Cannon T7 main camera.
Stacked with Deep Sky Stacker.
Processed with GIMP and Corel paint shop pro.
46, 105 second subs
The Pinwheel Galaxy is a face-on spiral galaxy located 21 million light-years from Earth in the constellation Ursa Major. It was discovered by Pierre Méchain in 1781 and was communicated that year to Charles Messier, who verified its position for inclusion in the Messier Catalogue as one of its final entries. Wikipedia
Coordinates : RA 14h 3m 13s | Dec +54° 20′ 57″
Stars : 1 trillion
Radius : 85,000 light years
Distance to Earth : 20.87 million light years
Apparent mass : ~1,000 billion M☉
Magnitude : 7.9
NGC 5474 is a peculiar dwarf galaxy in the constellation Ursa Major. It is one of several companion galaxies of the Pinwheel Galaxy, a grand-design spiral galaxy. Among the Pinwheel Galaxy's companions, this galaxy is the closest to the Pinwheel Galaxy itself. Wikipedia
Magnitude : 11.3
Distance : 21.2 ± 2.2 Mly (6.5 ± 0.7 Mpc)
