Observation by John Mallett: M51 600sec per RGB

Uploaded by

John Mallett

Observer

John Mallett

Observed

2018 Mar 19 - 20:00

Uploaded

2018 Mar 26 - 15:07

Objects

The Whirlpool Galaxy (M51)

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Constellation

Canes Venatici

Field centre

RA: 13^h29^m
Dec: +47°12'
Position angle: +178°46'

Field size

0°26' × 0°21'

Equipment

8inch RC Astrograph
SX filter wheel RGB
SX Trius H694

Exposure

300sec X2 per R,G,B

Location

Selsey, Chichester

Target name

M51

Title

M51 600sec per RGB

About this image

2 exposures each R G B then stacked Median, darks and flats. Small changes to intensities same for each colour so no false colours.

Files associated with this observation

M51Colour75.jpg (1.4 MB)

Like this image

Peter Mulligan, Jeremy Shears, David Swan, Graham Winstanley, Dean Ashton, Callum Potter, Nick Hewitt, Andy Wilson, Peter Carson

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