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Observatory Parameters
Dec 16
Lat. 39.0, Lon. -77.5
Clouds: Seeing:
Waning Crescent
05:40 16:04
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Bubble Nebula, Astrophotography by setheddy


  • Imaging telescope / lens: GSO Ritchey-Chrétien 254/2000 mm
  • Imaging camera: QSI (Quantum Scientific Imaging) 532 wsg
  • Guiding telescope / lens: GSO Ritchey-Chrétien 254/2000 mm
  • Guiding camera: Starlight XPress loadstar
  • Processed with: Photoshop

Frames / Subs

  • Lights (filter H-alpha): 24 x 900 sec
  • Total integration time: 6:00 hours


  • Camera sensor temperature: -15.0 ºC

Spatial Info

  • Image Size: 1,914 x 1,294 pixels

Sky Maps



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