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Robert Starzynski | all galleries >> Bob Starzynski Astro Imaging >> 2010 DSLR Images > NGC 7023 the Iris Nebula area
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NGC 7023 the Iris Nebula area

Image taken over 2 nights 1/31 and 2/8 2010 from Hillsborough NJ
4 hours and 15 minutes total exposure time.

TeleVue NP101 and 0.8 reducer F/4.3
Celestron CGE ST-4 guided
Modified Canon 350 XT
58*180 second 800iso subs with IDAS 2 LPR
65*90 second 800iso subs, no filters
30Dark/30Flat/30Bias calibration frames for each set of subs.
Ambient temperature start to finish first night 69.5/65.5, second night 66.1/64.3


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