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Markarian's Chain

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About this observation
Observer
Kevin G.
Time of observation
28/03/2016 - 20:31
Object
Markarian's Chain
Observing location
Edinburgh
Equipment
William Optics Star 71
Canon 600d (modified)
Astrotrac TT320AX-AG
IDAS LPS D1 filter
Exposure
52 x 180s
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Taken from a campsite south of Edinburgh. The Astrotrac mount is nominally for guiding a DSLR and a telephoto lens at most, but with their own equatorial wedge and counterweight bar (and pier/tripod), it can just about handle the WO refractor. 3 mins (as here) is just about the longest sub you can get away with in my experience - close examination shows some trailing in this image. But the total integration time was just over 2.5 hours so several small IC-referenced galaxies are detectable.

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