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I agreeImaging telescope or lens:TS ONTC Newton 8" f/4 Newtonian
Imaging camera:ZWO ASI 183 MM PRO
Mount:Skywatcher AZ-EQ6 GT
Guiding telescope or lens:TS ONTC Newton 8" f/4 Newtonian
Guiding camera:Starlight Xpress Lodestar X2 mono
Focal reducer:ASA 2" x0.73 Corrector/Reducer 2KORRR
Software:EQMOD, Sequence Generator Pro, PixInsight 1.8 Ripley, PHD2 Guiding
Accessories:ZWO ASI EFW Mini 5, Starlight Instruments Focus Boss II w/ HSM 20, TeleVue Paracorr Type 2, TS OAG 9mm
Resolution: 4882x3224
Dates:April 21, 2018
Frames: 379x40" (gain: 150.00) -10C bin 2x2
Integration: 4.2 hours
Darks: ~50
Flats: ~20
Bias: ~200
Avg. Moon age: 5.86 days
Avg. Moon phase: 34.10%
Bortle Dark-Sky Scale: 7.00
Mean SQM: 19.02
Mean FWHM: 4.30
Temperature: 16.00
Astrometry.net job: 2038638
RA center: 210.798 degrees
DEC center: 54.348 degrees
Pixel scale: 0.538 arcsec/pixel
Orientation: 257.284 degrees
Field radius: 0.437 degrees
Locations: Home, Genève, Switzerland
Data source: Backyard
One more M101, testing several configurations of my new ASI183...
This time Gain 150 and binning x2 for all channels including L.
L 170 R 80 G 73 B 56, 40sec all. With LP filter IDAS D1 QRO in front of corrector for all filters.
Reprocessed star alignment and integration
Drizzle & HSV Repair
Curves and shadows boost. Less red in background.
Less blueish background
ZWO ASI183/QHY183 |
Fast Newtonians |
CMOS Imagers |
Suburban Astrophotography |
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