Observation by Alan Thomas: M55 Globular Cluster in Sagittarius

Uploaded by

Alan Thomas

Observer

Alan Thomas

Observed

2022 Aug 18 - 00:16

Uploaded

2022 Aug 23 - 18:53

Objects

M55

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

M55 Globular Cluster in Sagittarius

Title

M55 Globular Cluster in Sagittarius

About this image

This loose Class XI globular cluster was discovered by Nicolas Louis de Lacaille in June 1752.

Diameter c.100ly. Apparent diameter c.19'. Distance c.17,600ly. Age c.12.3 billion years. Apparent mag. 7.42.

Files associated with this observation

MESSIER55 (2).jpg (343.8 kB)

Like this image

Jeremy Shears, Dominic Ford, Dr Paul Leyland, Paul Whitmarsh, Peter Mulligan, David Davies

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