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I agreeImaging telescope or lens:TPO 8" f/8 Ritchey-Chretien Astrograph
Imaging camera:ZWO ASI 294MC Cooled
Mount:CGE Pro
Guiding telescope or lens:Orion ShortTube 80
Focal reducer:Astro-Physics CCDT67 - 0.67x Reducer
Software:Main Sequence Software Sequence Generator Pro, PixInsight, PHD2 Guiding
Accessory:Optec TCF-S Focuser
Resolution: 8040x5497
Dates:June 6, 2019
Frames: 43x180" (gain: 120.00) -10C bin 1x1
Integration: 2.1 hours
Darks: ~25
Avg. Moon age: 3.31 days
Avg. Moon phase: 11.91%
Mean SQM: 21.10
Temperature: 18.00
Astrometry.net job: 2734846
RA center: 202.467 degrees
DEC center: 47.195 degrees
Pixel scale: 0.431 arcsec/pixel
Orientation: 91.197 degrees
Field radius: 0.584 degrees
Locations: Seasonal Dark site, Morley, Michigan, United States
Data source: Traveller
M51 taken with my new ASI294MC-Pro camera. Since I do not get a lot of imaging time, traditional LRGB with a mono is tough to do. I figured a cooled OCS would increase my productivity so I purchased this camera based off a couple reviews and images I had seen.
I am struggling with calibrating and processing with this camera. The background is "large scale blotchy" have doing a ton of reading and processing, I found not using flats really made a big enough difference that I could complete processing to a point of being happy and posting it.
So the PI workflow was pretty basic: Calibrate, debayer, register, intergrate, drizzle 2x, DBE, BN, CC, MSLT, HT, LHE and then off to PS for some levels and curves.
Still have a lot of work to do, but now I have something to go on. My flat setup is a DYI with a sketching LED panel deal I got off Amazon. So I need to revisit how I do flats. Processing around no flats was not that bad in PI with DBE, but a couple of dust donuts are in there. Actually one I worked on PS with the stamp tool also. Hope it is not too apparent!
Made a commitment this year to image more from dark skies and not my red zone backyard, so I decided Thursday at work to haul all my gear for a night of imaging since the forecast was looking good. Hardest part was having to work the next morning, so I was dragging at the office the next day! But going from a SQM 18.1 sky to 21.1 in roughly 50min is well worth it!
Cloudy Nights |
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