Observation by Dean Ashton: A One Armed Galaxy

Uploaded by

Dean Ashton OBE

Observer

Dean Ashton

Observed

2022 Apr 09 - 22:00

Uploaded

2022 Apr 12 - 12:05

Objects

NGC4725
NGC4712

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Constellation

Coma Berenices

Field centre

RA: 12^h50^m
Dec: +25°29'
Position angle: +0°16'

Field size

0°33' × 0°21'

Equipment

Celestron 9.25 EdgeHD (fl 2,350mm)
QHY268C Camera
CGEM
Optolong L-Pro Filter

Exposure

66x600s at /f10 focal length 2,350mm

Location

St Austell, Cornwall UK

Target name

NGC4725

Title

A One Armed Galaxy

About this image

11-hours of sub-frames captured on the night of 9/4/2022 with data also captured in April 2021

NGC4725, at 40-million light years is an unusual galaxy in only have one spiral arm. Also in the image is NGC4712 at 290-million light years distance.

Files associated with this observation

NGC4725_66x600s_RGB.jpg (2.6 MB)

Like this image

Alan Thomas, Mark Fairfax, Graham Winstanley, Jonathon Elliott, Mike Greenhill-Hooper

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