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Observatory Parameters
Nov 19
Ashburn
Clouds: Seeing:
Waxing Crescent
07:46 18:04
New technique of shooting in RAW, then processing with corrections (flats, darks), then converting to color, then stacking, then applying Raw Therapy.
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Crab Nebula, Astrophotography by Magnus

Equipment

  • Imaging telescope / lens: Orion Newtonian 254/1194 mm 10" Newtonian Dobsonian OTA
  • Imaging camera: Canon T3 (CMOS) - modified
  • Mount: Equatorial Orion Atlas
  • Guiding telescope / lens: Orion Refractor 80/480 mm ST-80
  • Guiding camera: ZWO ASI120MC (CMOS)
  • Filters: Astronomic DSLR clip-in Contrast booster CLS-CCD 1.30" 96%
  • Accessories: Coma corrector Mark IV For Newtonian Reflectors f/4.5 - f/6 2.00"
  • Processed with: Nebulosity 3.3
    Raw Therapy

Frames / Subs

  • Lights (filter Contrast booster): 14 x 300 sec
  • Total integration time: 1:10 hours

Acquisition

  • Date: Wed Oct 18th 2017
  • Seeing: 2 / 5
  • Transparency: 4 / 5
  • Sky darkness: 5 / 9
  • Ambient temperature: 55.0 ºF
  • ISO: 1600

Spatial Info

  • Image Size: 2,501 x 1,532 pixels
  • Image Scale: 0.882 arcsec / pixel
  • Visual Field: 0º 36' 42''
  • RA Center: 5h 34m 29s
  • DEC Center: 22º 01' 11''
  • Orientation: -59.458 degrees E of N

Sky Maps

N/A

Comments

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