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Observatory Parameters
May 22
Lat. 39.0, Lon. -77.5
Clouds: Seeing:
First Quarter
13:20 02:12
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NGC 6992, Astrophotography by Phillip_Klein

Equipment

  • Imaging telescope / lens: TeleVue Refractor 101/540 mm
  • Imaging camera: QSI (Quantum Scientific Imaging) 532ws (CCD)
  • Mount: Equatorial AP Mach 1 GTO
  • Guiding telescope / lens: Orion Refractor 50mm
  • Filters: Astronomik H-alpha (Narrowband Hydrogen Alpha) 1.25" 6nm
    Astronomik OIII (Narrowband Oxigen 3) 1.25" 6nm
    Astronomik SII (Narrowband Sulfur 2) 1.25" 6nm
  • Accessories: Filter wheel QSI
  • Processed with: Sequence Generator Pro 2.6
    PixInsight (Pleiades Astrophoto) 1.8.05

Frames / Subs

  • Lights (filter H-alpha): 4 x 600 sec
  • Lights (filter SII): 25 x 180 sec
  • Lights (filter OIII): 25 x 180 sec
  • Lights (filter H-alpha): 28 x 180 sec
  • Lights (filter SII): 4 x 600 sec
  • Lights (filter OIII): 4 x 600 sec
  • Darks: 8 x 600 sec
  • Darks: 13 x 180 sec
  • Flats: 20
  • Bias: 20
  • Total integration time: 7:53 hours

Acquisition

  • Date: Wed Oct 18th 2017
  • Seeing: 4 / 5
  • Transparency: 5 / 5
  • Sky darkness: 2 / 9
  • Ambient temperature: 14.0 ºC
  • Camera sensor temperature: -18.0 ºC
  • Mean FWHM: 1

Spatial Info

  • Image Size: 2,184 x 1,472 pixels
  • Image Scale: 2.579 arcsec / pixel
  • Visual Field: 1º 33' 49''
  • RA Center: 20h 56m 43s
  • DEC Center: 31º 28' 54''
  • Orientation: -97.217 degrees E of N

Sky Maps

N/A

Comments

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