Observation by Alan Thomas: NGC772/NGC770/Arp78 Galaxy Cluster in Ar...

Uploaded by

Alan Thomas

Observer

Alan Thomas

Observed

2022 Oct 15 - 04:53

Uploaded

2022 Oct 15 - 11:59

Objects

NGC772
NGC770
Arp 78

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Constellation

Aries

Field centre

RA: 01^h59^m
Dec: +19°02'
Position angle: -0°30'

Field size

0°41' × 0°41'

Equipment

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

Exposure

3min

Location

Observatorio del Teide, Tenerife

Target name

NGC772/NGC770/Arp78 Galaxy Cluster in Aries

Title

NGC772/NGC770/Arp78 Galaxy Cluster in Aries

About this image

A COAST (COmpletely Autonomous Survey Telescope) image of the spiral galaxy NGC772 with the dwarf elliptical galaxy NGC770 a little below and to the right. The two are possibly interacting, accounting for the extended arm of the spiral, just visible in this dim image (NGC772 apparent mag. 10.3: NGC770 apparent mag. 13.9). The image has been degraded at lower right by what could be moisture on the optics of the COAST, but I have uploaded the image anyway as I could find no other optical images of this cluster in the BAA image library.

Update: the COAST's minders say that the problem is not moisture but dust on the optics, which cannot be immediately removed.

Files associated with this observation

COAST NGC772 (2).jpg (952.7 kB)

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Callum Potter, David Davies

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