British Astronomical Association

Supporting amateur astronomers since 1890


Gallery

Observers

Objects

Sky map

Histogram

FAQs

Search

Observation by Alan Thomas: M9 Globular Cluster in Ophiuchus

Uploaded by

Alan Thomas

Observer

Alan Thomas

Observed

2023 Aug 02 - 23:05

Uploaded

2023 Aug 14 - 11:10

Objects

M9

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

3min.

Location

Observatorio del Teide, Tenerife

Target name

M9 Globular Cluster in Ophiuchus

Title

M9 Globular Cluster in Ophiuchus

About this image

A COAST image of this 8th magnitude class VIII (loosely concentrated towards centre) globular cluster. It was discovered by Charles Messier in May 1764. The cluster lies relatively close to the galactic centre at a distance of about 5,500ly.

Diameter c.70-90ly. Distance c.25,000ly. Age c.12billion yr.

Files associated with this observation
Like this image
Copyright of all images and other observations submitted to the BAA remains with the owner of the work. Reproduction of work by third parties is expressly forbidden without the consent of the copyright holder. By submitting images to this online gallery, you grant the BAA permission to reproduce them in any of our publications.

© British Astronomical Association 2024

Registered charity no. 210769
Registered company no. 117572

For more information including contact details, click here.

Our Terms of Use are here.

Our Privacy Policy is here.

The BAA image gallery was designed and
built by Dominic Ford.

Image gallery software © Dominic Ford 2020–2022