M13 Hercules Great Cluster

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Curdridge Observatory, Southampton,UK
Object name: M13 Hercules Great Cluster
Apparent RA: 16 41 41.5  Apparent Dec:+36 27 39
Constellation: Hercules
23 Apr 2015

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This image of M13 the Great Cluster in Hercules turned out to be the last image of the season in late april.

This is an RGB image, no luminence, taken with the Sk90 and RGB filters with the Atik 490ex CCD Camera.

View full sized image of M13 Hercules Great Cluster

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This image was autoguided using my homemade off axis guider with Lodestar.

Imaged with my homemade telescope mount

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Exposure Details :

Baader Green 20x240s on 90 @ F4 f.l. 409 with Atik 490 camera
Baader Blue 20x240s on 90 @ F4 f.l. 409 with Atik 490 camera
Baader Red 20x240s on 90 @ F4 f.l. 409 with Atik 490 camera

Equipment:

Skywatcher 200 Newt (upgraded with OO Hilux secondary)
Sky 90 Refractor
Homemade focus motor
Homemade filterwheel / OAG combo with Lodestar guide camera
Atik 490 CCD camera
Homemade Telescope mount

Curdridge Observatory, Southampton,UK