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I agreeImaging telescope or lens:TPO 8" f/8 Ritchey-Chretien Astrograph
Imaging camera:Nikon D5100
Mount:CGE Pro
Software:Main Sequence Software Sequence Generator Pro, PixInsight, Optec FocusLock (for ONAG), PHD2 Guiding
Accessories:Innovations Foresight On-axis guider, Starlight Xpress Lodestar X2, Optec TCF-S Focuser
Resolution: 3868x2596
Dates:Jan. 3, 2019
Frames: 74x300" ISO800
Integration: 6.2 hours
Darks: ~10
Flats: ~25
Bias: ~25
Avg. Moon age: 27.16 days
Avg. Moon phase: 6.20%
Bortle Dark-Sky Scale: 6.00
Mean SQM: 18.50
Astrometry.net job: 2462208
RA center: 114.235 degrees
DEC center: 65.597 degrees
Pixel scale: 0.613 arcsec/pixel
Orientation: 0.875 degrees
Field radius: 0.396 degrees
Locations: Home Observatory, Grandville, Michigan, United States
Data source: Backyard
NGC2403 a spiral galaxy sitting in the constellation Camelopardalis. This is one galaxy I am not very familiar with and only happen to image it because of looking at options online at Deep Sky Objects Browser.
This frame is slightly cropped due to the star distorts at the edges because I do not have a corrector in the imaging train and the D5100 has a large enough chip to see the ugly uncorrected FOV. I do have a AP corrector/reducer I will try and make work like I mentioned in the HH image posted earlier in the week. Sadly, there are not many clear night this time of year to test things out.
I sure can tell my PI processing skills are increasing with this image. The subframes barely show the galaxy and the data collection runs started with it below 45deg and in fairly heavy LP. Also shows that piles of subframes can overcome LP and still make a red zone location productive, even with broadband imaging.
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