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I agreeImaging telescope or lens:Williams Optics GT71
Imaging camera:Canon 6D 6D Mark II
Mount:iOptron CEM25P CEM25P
Focal reducer:William Optics 0.8X Field Flattener
Software:O'Telescope BackYard EOS, PHD2 Guiding, Astro Pixel Processor APP
Accessory:Peltier cooled camera box coolbox
Resolution: 2048x1187
Dates:Oct. 17, 2018, Oct. 19, 2018
Frames:
70x15" ISO1600 21C bin 1x1
100x150" ISO1600 21C bin 1x1
Integration: 4.5 hours
Darks: ~12
Flats: ~20
Bias: ~50
Avg. Moon age: 8.94 days
Avg. Moon phase: 65.94%
Bortle Dark-Sky Scale: 4.00
Mean SQM: 20.50
Mean FWHM: 2.60
Temperature: 75.00
Astrometry.net job: 2317105
RA center: 84.473 degrees
DEC center: -3.893 degrees
Pixel scale: 10.163 arcsec/pixel
Orientation: 86.313 degrees
Field radius: 3.341 degrees
Locations: Alafia State Park, Mag 20.5 skies, Lithia, FL, None
Data source: Traveller
A little noisy and the camera is not modded but was fun to get a couple hours on this. Will revisit later this fall/winter and need to send my 6D to Hap Griffin so he can turn it into a 6Da : )
still have not added the new data, will try and add the 2nd night later today.
Added 3 more hours of data, but field flattener was off by 1mm so stars are not perfect : (
Semi-overcooked version. Can't do more without more integration time. Looking forward now to a M78 - M42 mosaic this winter : )
reduced contrast, I had prints made and blacks were too dark, was loosing detail.
little sharpening here and there, slight stretch on red channel in curves for Ha
| Cloudy Nights |
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