Observation by Alun Halsey: Messier 31

Uploaded by

Alun Halsey

Observer

Alun Halsey

Observed

2021 Dec 10 - 22:15

Uploaded

2021 Dec 12 - 12:15

Objects

The Andromeda Galaxy (M31)

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Constellation

Andromeda

Field centre

RA: 00^h43^m
Dec: +41°32'
Position angle: +81°35'

Field size

6°44' × 4°28'

Equipment

Canon 135 f/2 prime focus lens (stopped down to f/2.8)
QHY168C OSC with Altair dual band 2" filter
CEM60

Exposure

Fifteen subframes at 300 seconds each

Location

Reading Berkshire UK

Target name

Messier 31 (Andromeda galaxy)

Title

Messier 31

About this image

Fifteen five minute subs stacked in Deepskystacker and processed in Photoshop CS2. No flat nor dark subtraction used. Image was cropped due to gradient causing problem with colour balance.

Files associated with this observation

M31-15x300sec.jpg (1.3 MB)

Like this image

Ron Arbour, Alan Thomas, Dominic Ford, Callum Potter, Ron Johnson, Paul Whitmarsh

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