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Double Cluster in Perseus


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About this observation
Denis Buczynski
Time of observation
11/01/2018 - 02:25
Double Cluster in Perseus
Observing location
Tarbatness Observatory Highland Scotland
Williams Optics Zenithstar 61+field flattener+Canon 1000D
1x180s@iso 1600
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This image was taken to test the performance of this new Zenithstar 61 for a friend who has just purchased it. It seems to be a nice lens and sharp across the field with no obvious vignetting and good colour correction The red stars show no bloating from out of focus red light. So a success I think.

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