M13 The Great Cluster

3rd September 2004

Globular cluster
Magnitude: 5.8 Size: 23.2'
Right ascension: 16h 41m 51s Declination: +36 27' 17"
Constellation: Hercules

200mm F5 newtonian @ F3.3, SC1.5 toucam
80mm F5 refractor @ F10 guidescope with SC1 toucam and GuideDog

An experiment taken during twilight whilst waiting for it to get dark. I captured about 60x5s frames and 150x10s frames, and stacked the whole lot together in registax.
I was pleased to finally get some colour in a globular cluster!

Location: Curdridge, Southampton, UK. 51N 15W.
Details of equipment and method.

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