MESSIER 13

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michael justice

oxfordshire

Filter BVR Schmidt-Cassegrain Celestron C14 optical tube. 3910mm focal length, 355mm aperture at f/11. A Celestron focal reducer gives an effective focal length of 1877mm at f/5.3

m 13 (also designated NGC 6205 and sometimes called the Great Globular Cluster in Hercules or the Hercules Globular Cluster)Exposure Time 56000 ms. (not my telescope but my friend) but i love this image because when i look with my own telescope i can not see half as many stars. and to think of how far away it is Distance about 25000 light years it mad

2012-05-27T00:00:00

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