Observation by Mark Phillips: M101

Uploaded by

Mark Phillips

Observer

Mark Phillips

Observed

2020 Apr 18 - 22:50

Uploaded

2020 Apr 19 - 20:54

Objects

M101

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Constellation

Ursa Major

Field centre

RA: 14^h03^m
Dec: +54°20'
Position angle: +3°58'

Field size

0°34' × 0°22'

Equipment

250mm f4.8 OO Newtonian
Atik 460EX @-15C
Baader RGB filters 1x1
Capture: APT
Processing: APP, Photoshop

Exposure

20x180s each RGB

Location

Edinburgh, UK

Target name

M101 Ursa Major

Title

M101

About this image

Been fighting with this one over 3 nights. Still too noisy. Probably need longer exposures as having to stretch the data too far.

Files associated with this observation

M101-Topaz-app.jpg (570.4 kB)

Like this image

Andrew Dumbleton, Jeremy Shears, Andy Wilson, Ray Emery, Chris Dole, Mr John William Hughes, Lyn Smith

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