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

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NGC 2024, The Flame Nebula, burns brightly in Orion the Hunter. At right is the brilliant blue giant star, Alnitak, 28 times the mass of our sun. Shining with a brightness 100,000 times that of the sun, Alnitak, is actually a triple star system in which two smaller blue stars orbit the behemoth. This false color image was formed from nine stacked frames of three minutes each binned 2 x 2, taken through narrow band Hydrogen alpha filter at focal length of 1480 mm, f/6.3. Image scale was 1.51. arc seconds per pixel.

Equipment

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

Spatial Info

  • Image size: 1,440 x 1,810 pixels
  • Image scale: 1.465 arcsec / pixel
  • Visual field: 0.471 degrees
  • RA center: 5h 41m 38s
  • DEC center: -1º 48' 11''
  • Orientation: 176.394 degrees

Frames / Subs

  • Lights: 9 x 180 sec
  • Total integration time: 27:00 min

Acquisition

  • Camera sensor temperature: -20.0 ºC

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