Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  M 51  ·  NGC 5194  ·  NGC 5195  ·  Whirlpool galaxy
M51 Whirpool Galaxy, 



    
        

            jreese
M51 Whirpool Galaxy
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M51 Whirpool Galaxy

Acquisition details

Dates:
May 6, 2014 ·  May 9, 2014 ·  May 11, 2014
Frames:
Baader B: 11×300(55′) -10°C bin 2×2
Baader G: 9×300(45′) -10°C bin 2×2
Baader L: 21×600(3h 30′) -10°C bin 1×1
Baader R: 5×300(25′) -10°C bin 2×2
Integration:
5h 35′
Avg. Moon age:
9.24 days
Avg. Moon phase:
67.86%

Basic astrometry details

Astrometry.net job: 300637

RA center: 13h29m53s.0

DEC center: +47°1145

Pixel scale: 1.563 arcsec/pixel

Orientation: -123.750 degrees

Field radius: 0.467 degrees

Resolution: 620x440

File size: 265.1 KB

Description

The Whirlpool Galaxy (also known as Messier 51a, M51a, or NGC 5194) is an interacting[6] grand-design[7] spiral galaxy with a Seyfert 2 active galactic nucleus[8] in the constellation Canes Venatici. Recently it was estimated to be 23 ± 4 million light-years from the Milky Way,[3] but different methods yield distances between 15 and 35 million ly. Messier 51 is one of the best known galaxies in the sky. but different methods yield distances between 15 and 35 million ly. Messier 51 is one of the best known galaxies in the sky.[

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M51 Whirpool Galaxy, 



    
        

            jreese