Observation by Alan Thomas: NGC6340 Galaxy Group in Draco

Uploaded by

Alan Thomas

Observer

Alan Thomas

Observed

2024 Mar 18 - 02:21

Uploaded

2024 Mar 18 - 15:34

Objects

NGC6340
IC1251
IC1254

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Constellation

Draco

Field centre

RA: 17^h10^m
Dec: +72°17'
Position angle: +179°35'

Field size

0°30' × 0°30'

Equipment

42cm CDK17 corrected Dall-Kirkham f/6.8
ProLine KAF-09000 camera
10Micron GM4000 mount

Exposure

3min.

Location

Observatorio del Teide, Tenerife

Target name

NGC6340 Galaxy Group in Draco

Title

NGC6340 Galaxy Group in Draco

About this image

This galaxy group consists of NGC 6340, a mag.11.9 lenticular/spiral galaxy, and two interacting companions, IC 1251 (below left) and 1254 (below right). All three galaxies are found at a distance of c.62million ly.

NGC6340 is an interesting galaxy with a complex structure consisting of two semi-independent elements: a lenticular inner disk and an outer disk showing spiral arms. This is presumably a result of a galactic merger. NGC6340 is about twice the size of its companions. It was discovered by William Herschel in June 1788.

IC1251 and 1254 are mag.14 spiral galaxies. Both were discovered by Edward Swift in September 1890 while he was still a teenager.

This 3-minute exposure using the COAST in Tenerife shows the group well.

Files associated with this observation

NGC6340 COAST v3image-jpeg-i.jpeg (452.5 kB)

Like this image

Callum Potter, Simon Paul Davis

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