Observation by David Strange: Copeland's Septet

Uploaded by

David Strange

Observer

David Strange

Observed

2023 Feb 26 - 03:11

Uploaded

2023 Mar 08 - 22:19

Objects

Copeland's Septet

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Constellation

Leo

Field centre

RA: 11^h37^m
Dec: +21°58'
Position angle: -0°40'

Field size

0°18' × 0°18'

Equipment

RC10
ASI533MC

Exposure

20x120s

Location

Salcombe Regis, East Devon

Target name

Copeland's Septet

Title

Copeland's Septet

About this image

A group of eight, not seven, galaxies that consists of NGC 3748, NGC 3754, NGC 3750, NGC 3751, NGC 3745, NGC 3753, NGC 3746 and PGC 36010. The group was named after Ralph Copeland, who discovered them in April 1874 using the Rosse 72" Leviathan. They lie at a disatnce of 400 million light years from Earth. Interesting talk about Copeland this evening by Peredur Williams on SHA webinar. Also known as Hickson 57.

Files associated with this observation

Copelands_Septet_20230226_dgs.jpg (531.2 kB)

Like this image

David Basey, Jonathon Elliott, Callum Potter

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