Location:
Weather for Feb 22 Night
Clouds Seeing
Waning Crescent
04:00 14:12

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Narrow band image (S II, S II, Ha II, O III) from 37 light frames totaling one hour and 19 minutes, 7 flats of 60 seconds each and 7 dark frames of 3 minutes each. Sulfur assigned to the Red channel, Oxygen to Blue and Hydrogen to Green

Equipment

  • Imaging telescope / lens: Celestron Schmidt-Cassegrain (SCT) 9inches
  • Imaging camera: SBIG STF=8300M (CCD)
  • Mount: Equatorial Celestron CGEM
  • Filters: Astronomik H-alpha (Narrowband Hydrogen Alpha)
    Astronomik SII (Narrowband Sulfur 2)
    Astronomik OIII (Narrowband Oxigen 3)
  • Accessories: Focal reducer Celestron .63X

Spatial Info

  • Image size: 1,446 x 1,080 pixels
  • Image scale: 1.917 arcsec / pixel
  • Visual field: 0.481 degrees
  • RA center: 5h 35m 01s
  • DEC center: -5º 32' 17''
  • Orientation: -93.534 degrees

Frames / Subs

  • Lights: 37 x 125 sec
  • Darks: 7 x 180 sec
  • Flats: 7 x 60 sec
  • Total integration time: 1:45 hours

Acquisition

  • Date: Mon Feb 13th 2017
  • Camera sensor temperature: -20.0 ºC
  • Binning: 2x2

Sky Maps

Comments


What's in Ashburn's Sky Tonight?

  • Asterismsby: magnitude size rise transit
  • Dark nebulaeby: magnitude size rise transit
  • Diffuse nebulaeby: magnitude size rise transit
  • Galaxiesby: magnitude size rise transit
  • Galaxy clustersby: magnitude size rise transit
  • Globular clustersby: magnitude size rise transit
  • Nebulaeby: magnitude size rise transit
  • Open clustersby: magnitude size rise transit
  • Planetary nebulaeby: magnitude size rise transit
  • Supernovaeby: magnitude size rise transit