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 Post Posted: Thu Aug 24, 2017 7:23 pm 
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Joined: Thu Aug 24, 2017 7:10 pm
Posts: 1
Does anybody know why I am getting halos with bright stars.
Happens with Ha filter ( not sure about S and O yet ) no problem with L filter.
Equipment:
TS Imaging Star 65mm f/6.5 Quadruplet Astrograph
ASI 1600MM cooled
ZWO 36mm filters

NGC7000 taken with unity gain, temp -10, 60 x 30 sec @ Bin2

Thanks, Tim


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NGC7000_60X30sHa_Unity_23Aug2017.jpg
NGC7000_60X30sHa_Unity_23Aug2017.jpg [ 285.34 KiB | Viewed 176 times ]
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 Post Posted: Fri Aug 25, 2017 8:35 pm 
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Joined: Fri Aug 25, 2017 8:34 pm
Posts: 1
It looks amazing. I love this pics!

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 Post Posted: Sat Aug 26, 2017 1:54 pm 
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Joined: Mon Aug 01, 2016 3:51 pm
Posts: 93
Llooks good.
And it's quite normal to have halos with brighter stars.
Better (and more expensive) filters like Astrodon are somewhat better in that regard.


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