Observation by Alan Thomas: NGC1807 Asterism in Taurus

Uploaded by

Alan Thomas

Observer

Alan Thomas

Observed

2021 Dec 10 - 22:37

Uploaded

2021 Dec 13 - 14:34

Objects

NGC1807

Equipment

Unistellar eQuinox 112mm reflector

Exposure

5min.

Location

Norbreck Observatory, Warrington, Cheshire, UK.

Target name

NGC1807 Asterism in Taurus

Title

NGC1807 Asterism in Taurus

About this image

Discovered by John Herschel in 1832, this star group was originally thought to be an open cluster. It now appears more likely that it is an asterism.

See: Balaguer-Núñez, L.; Jordi, C. ; Galadi-Enriquez, D. ; Zhao, J.L. :New membership determination and proper motions of NGC1817. Parametric and non-parametric approach. 819-826 Astronomy and Astrophysics, October 2004. This paper refers to NGC1807 during the analysis of the nearby stars of NGC1817.

Files associated with this observation

eVscope-20211210-223728 (2).jpg (1.1 MB)

Like this image

Patrick Maloney

Comments

Patrick Maloney, 2021 Dec 22 - 17:48 UTC

You've also captured the tiny 14.9 mag galaxy PGC 16865 (CGCG 469-3).

Alan Thomas

Alan Thomas, 2023 Jan 27 - 17:46 UTC

Thanks Patrick. Only just seen your comment. Looked back at this image following the article on NGC1807/1817 in Issue 190 of The Deep Sky Observer. H 0507+164 is also visible I think.

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