Observation by Mark Phillips: M81 Ha-RGB

Uploaded by

Mark Phillips

Observer

Mark Phillips

Observed

2020 Mar 22 - 21:17

Uploaded

2020 Mar 23 - 15:21

Objects

M81

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Constellation

Ursa Major

Field centre

RA: 09^h55^m
Dec: +69°03'
Position angle: +8°37'

Field size

0°35' × 0°28'

Equipment

250mm f4.8 OO Newtonian
Atik 460EX @-15C
Baader RGB and Ha filters 2x2
Capture: APT
Processing: APP, Photoshop

Exposure

RGB 10x180s 2x2 each, Ha 8x300s 2x2

Location

Edinburgh, UK

Target name

M81 Bode's Nebula

Title

M81 Ha-RGB

About this image

Added a layer of Ha on top for the first time to bring out the emission regions.

Files associated with this observation

M81-APP-HaRGB.jpg (545.9 kB)

Like this image

Alan Thomas, Graham Winstanley, Clive Nanson, Jeremy Shears, Ray Emery, Andy Wilson, Mr John William Hughes, Ron Johnson, Andrew Dumbleton

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