Celestial hemisphere:  Northern  ·  Constellation: Andromeda (And)  ·  Contains:  Great Nebula in Andromeda  ·  M 110  ·  M 31  ·  M 32  ·  NGC 205  ·  NGC 221  ·  NGC 224
The Andromeda galaxy, Messier 31, Roger Clark
The Andromeda galaxy, Messier 31
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The Andromeda galaxy, Messier 31

The Andromeda galaxy, Messier 31, Roger Clark
The Andromeda galaxy, Messier 31
Powered byPixInsight

The Andromeda galaxy, Messier 31

Equipment

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Description

This image was obtained with a Canon 7D Mark II 20-megapixel digital camera and 300 mm f/2.8 L IS II lens plus a 1.4x teleconverter giving 420 mm at f/4 and ISO 1600. No dark frame subtraction, no flat fields. Tracking with an Astrotrac and no guiding. The 36 minutes total exposure (36 1-minute exposures).

Custom image stretch in one step that maintains color.

More info here:

http://www.clarkvision.com/galleries/gallery.NEW/web/m31.c08.13.2015.0J6A5351-86-36frames.a-t2c1rs8.f-c1-1800s.html

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The Andromeda galaxy, Messier 31, Roger Clark