Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)
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Pickering's Triangle - HOO - Crop, 


            Greg Polanski
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Pickering's Triangle - HOO - Crop

Imaging telescopes or lenses: Sky Watcher 150/750 Sky Watcher Black Diamond

Imaging cameras: QHY163M

Mounts: SkyWatcher EQ6-R Pro (EQMOD)

Guiding telescopes or lenses: Orion 60mm Multi-Use Guide Scope with Helical Focuser

Guiding cameras: Orion Starshoot Autoguider

Focal reducers: Sky-Watcher Coma corrector f/5

Software: PinInsight 1.8  ·  PHD Lab PhD 2 Guiding  ·  Sequence Generator Pro v3.0

Filters: Baader 2" OIII 8.5nm  ·  Baader 2" HA 7nm

Accessory: PrimaLuceLab Sesto Senso Robotic Focusing Motor  ·  QHYCCD QHYCFW3-M

Dates:July 29, 2020July 31, 2020Aug. 7, 2020Aug. 8, 2020

Baader 2" HA 7nm: 35x600" (gain: 174.00) -15C bin 1x1
Baader 2" OIII 8.5nm: 34x600" (gain: 174.00) -15C bin 1x1

Integration: 11.5 hours

Darks: ~10

Bias: ~50

Avg. Moon age: 14.69 days

Avg. Moon phase: 81.28%

Bortle Dark-Sky Scale: 6.00

Temperature: 18.00

Astrometry.net job: 3781945

RA center: 20h 48' 29"

DEC center: +31° 32' 30"

Pixel scale: 1.151 arcsec/pixel

Orientation: -105.870 degrees

Field radius: 0.576 degrees

Resolution: 2940x2088

Locations: Backyard, Kanata, Ontario, Canada

Data source: Backyard


This is a closer crop of my original image. I have tried slightly different processing to bring more detail in the nebula.



  • Pickering's Triangle - HOO - Crop, 


            Greg Polanski
  • Final
    Pickering's Triangle - HOO - Crop, 


            Greg Polanski


Description: Different crop and different processing

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Sky plot

Sky plot


Pickering's Triangle - HOO - Crop, 


            Greg Polanski