M13 : The Great Globular Cluster

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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