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Old 29-10-2019, 02:26 PM
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ChrisV (Chris)
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Join Date: Aug 2015
Location: Sydney
Posts: 1,797
Andromeda from Sydney

So Sunday I finally got my night to try M31. From a park in the northern suburbs of Sydney. I thought this would be a good spot as its on a ridge that overlooks national park. Unfortunately, there was a nice orange glow from Gosford. And even worse the M1/F3 motorway - this was bang on just below Andromeda. You could see the shaft of light penetrating upwards through the nightsky.

So here it is, using a UHC filter. I only managed 80min with M31 above 13deg. Had a laptop stuffup so had to restart camera cooling. And accidentally took along my UHC filter instead of a UV/IR, but maybe that helped with the motorway

41x 2min subs with ASI071, optolong UHC filter, guiding (which was chronic ~ 1.4deg rms). Captured with SGPro, processed in PI. Its a bit raw and noisy around the edges - but whatever.

I can see how Alex's (slightly more northern?) dark site really help things along!
Have a laugh at my expense. But it "is better to have imaged and lost" ... I'm wondering whetehr its worth goinf back to get some more. But weather hasn't been great - cloud issues for the past week, and now burn offs

Cheers Chris
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