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Old 21-08-2019, 12:24 PM
Startrek (Martin)
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M10 Globular Cluster on a Windy night

My first image of M10 ( NGC 6254) a magnitude 6.5 globular cluster located in the constellation of Ophiuchus
M10 is located approximately 15,000 light years from earth and is quite bright with a more condensed area of stars just outside the main core to one side
Conditions were far from ideal, 25km/ hr wind gusts , an 85% moon rising and both neighbours outside lights blearing all night
60 x 90sec dithered guided subs
15 x darks
6 f6 newt on a HEQ5 mount
Canon 600D unmodded with Baader coma corrector
No filters
ISO 800
PHD2 guiding error of 1.80 to 2.20 arc sec ( really poor numbers but still produced round stars to edge of field !! )
Stacked in DSS
Processed in Startools

Thanks for looking , comments appreciated
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Old 21-08-2019, 12:58 PM
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xelasnave
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Nice and crisp. However if windy maybe shorter exposures. I sometimes wonder if I will ever bother getting my auto guide going as I find short exposures offer many benefits.

Anyways a very nice image..well done.

Carrying on with my "cube" comments..it works well to help with wind as far as buffeting the scope..the lid opens up to provide two sides and between those are curtains that has below reasonably protected...helpful for light from the street etc.
Alex
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Old 21-08-2019, 03:53 PM
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Atmos (Colin)
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Might have been less than idea conditions but it is still nicely resolved and has good colour
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