Celestial hemisphere:  Northern  ·  Constellation: Andromeda (And)  ·  Contains:  Great Nebula in Andromeda  ·  M 110  ·  M 31  ·  M 32  ·  NGC 205  ·  NGC 221  ·  NGC 224  ·  The star νAnd
M31, Roger Clark
M31
Powered byPixInsight
M31, Roger Clark
M31
Powered byPixInsight

Equipment

Loading...

Acquisition details

Loading...

Description

M31 from a green zone. Canon 7D 18-megapixel digital camera, Canon 300 mm f/2.8 II lens at f/2.8. 17 one-minute exposures at ISO 1600 were added (17 minutes total exposure). No dark frame subtraction, no flat fields, no noise reduction. Tracking with an astrotrac. Slight crop.

http://www.clarkvision.com/galleries/gallery.astrophoto-1/web/m31_300mm.17min.c09.26.2014.IMG_2327-44.g-bin3x3s.html

Comments

Sky plot

Sky plot

Histogram

M31, Roger Clark