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Observation by Mr Ian David Sharp: M51 - The Whirlpool Galaxy

Uploaded by

Mr Ian David Sharp

Observer

Mr Ian David Sharp

Observed

2024 Apr 01 - 00:00

Uploaded

2024 Jul 01 - 15:56

Objects

The Whirlpool Galaxy (M51)

Planetarium overlay









Constellation

Canes Venatici

Field centre

RA: 13h29m
Dec: +47°12'
Position angle: -92°19'

Field size

0°21' × 0°17'

Equipment
  • Celestron C11 Edge HD @F/7
  • Starlight XPress TRIUS PRO 694 mono CCD camera
  • 10Micron GM 1000 HPS mount
  • Starlight Xpress 7 position 1.25" filter wheel
  • Starlight XPress OAG
  • Starlight Xpress LoadStar V2 guide camera
  • Pegasus Astro PRODIGY focuser
  • Johnson RVB photometric filter
  • Optolong LRGB, Ha, OIII, SII filters
Exposure

L: 100x180s; R, V and B: 70x300s; Ha: 75x600s

Location

PixelSkies, Castilléjar in the province of Granada, Andalucia

Target name

M51

Title

M51 - The Whirlpool Galaxy

About this image

Fully processed in PixInsight.


I used a method called 'continuum subtraction' to blend in the Ha data to the red channel. The colour of the stars has been adjusted using spectroscopic data from the GAIA database of stars.

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