Observation by Alan Thomas: NGC7771 Galaxy Group in Pegasus

Uploaded by

Alan Thomas

Observer

Alan Thomas

Observed

2022 Dec 14 - 20:43

Uploaded

2022 Dec 15 - 17:26

Objects

NGC7771
NGC7769
NGC7770

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Constellation

Pegasus

Field centre

RA: 23h51m
Dec: +20°07'
Position angle: +10°26'

Field size

0°23' × 0°18'

Equipment
  • Unistellar eQuinox 112mm reflector
Exposure

86mins.

Location

Norbreck Observatory, Warrington, Cheshire, UK

Target name

NGC7771 Galaxy Group in Pegasus

Title

NGC7771 Galaxy Group in Pegasus

About this image

NGC7771 is to the left of the frame, with the much smaller (in apparent size though not in stellar mass) NGC7770 immediately below. NGC7769, a face on spiral (though not evident here) is to the right.

NGC7771 Galaxy Group, Pegasus mag     dist size
NGC7769 spiral galaxy 12  William Herschel 18 Sept 1784 195Mly 180Kly
NGC7770 lenticular 14  Bindon Stoney 5 Nov 1850 190Mly 40Kly
NGC7771 barred spiral 12  William Herschel 18 Sept 1784 200Mly 140Kly

This group of three interacting galaxies is expected to merge into a single galaxy after a decent interval - say a few billion years.

Bortle 7/8, cold!

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