M13 : The Great Globular Cluster

Photographs by Andy Strappazzon

 

 


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Messier Number:
M13


NGC Number:
NGC 6205


Common Name:
The Great Globular Cluster in Hercules


Constellation:
Hercules


Distance from Earth:
25100 light years


Visual Magnitude:
5.8


Size:
23'


Rate:

Description:
Messier 13 or M13 (also designated NGC 6205 and sometimes called the Great Globular Cluster in Hercules or the Hercules Globular Cluster) is a globular cluster in the constellation of Hercules. (Wikipedia)

 

Date Taken:
13 May 2008


Location:
Belgium - Biesmerée

Weather:
Temp = +/-5°C


Equipment:
Skywatcher HEq5 Pro
Skywatcher Mak150
Celestron Focal Reducer f6.3
Autoguided with:
Etx70 / Webcam / GuideDog
Images aquired with: 

Canon 350D unfiltred


Exposure Specs:
Lights: 23x180 sec @ 800ISO
Darks: 14x180 sec
Flats: 12 
Offsets: 46

Total Exposure: 1h09min


Processed with:
Deepskystacker
Adobe Photoshop CS 2

 

Copyright © 2009, Andy Strappazzon. All rights reserved.