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Contains:  Witch Head nebula, IC 2118
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Witch Head Nebula IC2118 - Version 2, 





    
        

            Prabhakar
Witch Head Nebula IC2118 - Version 2

Witch Head Nebula IC2118 - Version 2

Technical card

Imaging telescope or lens:Takahashi FSQ85

Imaging camera:QSI683wsg

Mount:Orion Atlas EQ-G + EQDIR

Guiding telescope or lens:Takahashi FSQ85

Guiding camera:Lodestar

Software:PixInsight PinInsight 1.8Photo ShopStartools 1.3.5

Filter:Astrodon LRGB Tru-Balance E-series Gen II

Resolution: 2389x3211

Dates:Jan. 23, 2015

Frames: 50x300"

Integration: 4.2 hours

Avg. Moon age: 3.37 days

Avg. Moon phase: 12.29%

Astrometry.net job: 550165

RA center: 76.292 degrees

DEC center: -7.011 degrees

Orientation: -2.061 degrees

Field radius: 1.376 degrees

Description

IC 2118 (also known as Witch Head Nebula due to its shape), is an extremely faint reflection nebula believed to be an ancient supernova remnant or gas cloud illuminated by nearby supergiant star Rigel in Orion. It lies in the Eridanus constellation, about 900 light-years from Earth. The nature of the dust particles, reflecting blue light better than red, is a factor in giving the Witch Head its blue color.

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Imaged over two nights at Harold Campbell, South Florida

LRGB - 50x300 secs = 4.1 hours
Luminance - 32x300secs , R+G+B = 6+6+6 = 18x300secs 2x binned.

Version 1 - Stacked with MaximDL and Postprocessed using Startools and Photoshop.
Version 2 - Stacked with MaximDL and Postprocessed using PixInsight and Photoshop.

Comments

Author

neomonks
Prabhakar
License: Attribution Creative Commons
3903
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Revisions

  • Witch Head Nebula IC2118 - Version 2, 





    
        

            Prabhakar
    Original
  • Final
    Witch Head Nebula IC2118 - Version 2, 





    
        

            Prabhakar
    B

Sky plot

Sky plot

Histogram

Witch Head Nebula IC2118 - Version 2, 





    
        

            Prabhakar