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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

M51

Planetarium overlay









Constellation

Canes Venatici

Field centre

RA: 13h29m
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.

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