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BAA Images Picture of the week Peter Hannah

Observation by Peter Hannah: Stephan's Quintet and NGC7331

Uploaded by

Peter Hannah

Observer

Peter Hannah

Observed

2021 May 27 - 21:36

Uploaded

2021 May 27 - 21:44

Objects

NGC7331

Planetarium overlay









Constellation

Pegasus

Field centre

RA: 22h36m
Dec: +34°10'
Position angle: +116°05'

Field size

0°44' × 0°33'

Equipment
  • Planewave CDK-14 corrected Dall-Kirkham reflector on 10Micron GM2000 mount
  • FLI Proline P09000 CCD camera
  • Astrodon LRGB filters
Exposure

8 hrs Lum, 6 hrs each R,G,B

Location

IC Astronomy hosted site, Oria, Spain

Target name

Stephan's Quintet and NGC7331

Title

Stephan's Quintet and NGC7331

About this image

NGC 7331 is a spiral some 40 Mly away. The four galaxies to its upper right, though referred to as part of the 7331 Group, are actually far in the background at a distance of over 300 Mly. They are sometimes referred to as ‘The Fleas’.

Stephan's Quintet on the left is a compact galaxy group at a distance of 200-300 Mly. The brightest member of the group, NGC 7320, is not physically associated with the group, lying at a similar distance to NGC 7331.

Image processed in PixInsight.

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Comments
Nick Hewitt
Nick Hewitt, 2021 May 29 - 09:00 UTC

Superb!

Martin Lewis
Martin Lewis, 2021 Jun 01 - 08:52 UTC

Lovely composition and details. Brilliant shot.

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