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Contains:  M 32, NGC 221
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M31 (Andromeda Galaxy) Southern Area, 


            Mike Oates
M31 (Andromeda Galaxy) Southern Area
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M31 (Andromeda Galaxy) Southern Area

Technical card

Dates:Nov. 25, 2016

Astrodon 3nm OIII: 11x1800" bin 1x1
Blue: 14x300" bin 1x1
Blue: 24x600" bin 1x1
Green: 16x300" bin 1x1
Green: 21x600" bin 1x1
Ha 3nm: 1x1800" bin 1x1
Ha 3nm: 1x600" bin 1x1
Ha 3nm: 34x900" bin 1x1
Red: 14x300" bin 1x1
Red: 30x600" bin 1x1

Integration: 30.8 hours

Avg. Moon age: 25.95 days

Avg. Moon phase: 13.81%

Bortle Dark-Sky Scale: 8.00

Mean SQM: 18.50

Basic astrometry details job: 1768996

RA center: 0h 40' 9"

DEC center: +40° 31' 51"

Pixel scale: 1.027 arcsec/pixel

Orientation: 359.961 degrees

Field radius: 0.872 degrees

Resolution: 4630x3992

Locations: The Hills Observatory, Manchester, United Kingdom

Data source: Backyard


Just the southern part of M31, at this scale I would need 9 panels!

Taken over 3 years from 20140826 to 20161125



Mike Oates
License: None (All rights reserved)

Sky plot

Sky plot


M31 (Andromeda Galaxy) Southern Area, 


            Mike Oates