Messier 13 - Cropped

          Hercules Cluster

 Globular Cluster

 In constellation Hercules

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Discovered by Edmond Halley in 1714 M13 consists of

 around 200,000 stars and is located around 25,100 light

years away. Measuring 145 light years across. M13 is

estimated to be 14,000,000,000 years old. Small distant

galaxy NGC 6207 can be seen North East of the cluster.

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RA 16^h 41^m 41.44^s

DEC +36° 27′ 36.9″

M13 has a magnitude (brightness) of 5.8

and its size is 23'.0

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Imaging Scope : Takahashi Epsilon 160

Focal Length = 530mm [image cropped to fit]

Imaging Camera : Canon Rebel XTi

EQ6 Pro GEM Mount : Manually Guided

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10 x 180 second exposures [30 mins]

at ISO 1600. Imaged in dark skies

Baldrine, Isle of Man, British Isles. 23:50 on 29/04/2008.