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I agreeImaging telescope or lens:Asahi Pentax SMC Takumar 135mm f/2.5
Imaging camera:Atik 460EX mono
Mount:SkyWatcher NEQ3
Guiding telescope or lens:APM Telescopes Finder 60mm
Guiding camera:Astrolumina QHY5L-II m
Software:PixInsight, Main Sequence Software SequenceGeneratorPro, PHD2 Guiding
Filter:Baader Ha 7nm
Resolution: 2749x2199
Dates:July 27, 2016
Frames: 36x300"
Integration: 3.0 hours
Avg. Moon age: 22.74 days
Avg. Moon phase: 43.74%
Astrometry.net job: 1203170
Locations: Mallorca, Son Macia, Mallorca, Spain
The Sadr region, IC 1318, is the busy neighborhood round the mag 2.2 star Sadr or gamma Cygni. It is a large expanse of nebulosity with dominant Ha emission nebulae and various dark nebulae. The Crescent Nebula (in the lower left corner of the image) is embedded into the region.
This is a simple Ha monochrome image constructed from 36 exposures with 300 sec each, a total of 3 hours of exposure. Using my wide-field setup with the Asahi/Pentax Takumar 135mm f/2.5 with the ATIK 460EXm.
Make sure to look at this image in full-size view.
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