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Contains:  Eskimo nebula, NGC 2392
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Eskimo Nebula, 





    
        

            Jirair Afarian
Eskimo Nebula

Eskimo Nebula

Technical card

Resolution: 958x726

Dates:Feb. 8, 2018

Frames:Badaar Moon and SkyGlow Badaar: 12x180" (gain: 10.00) bin 2x2

Integration: 0.6 hours

Darks: ~15

Bias: ~15

Avg. Moon age: 22.90 days

Avg. Moon phase: 42.07%

Bortle Dark-Sky Scale: 5.00

Mean FWHM: 4.50

Temperature: -9.00

Astrometry.net job: 1920645

RA center: 112.277 degrees

DEC center: 20.894 degrees

Pixel scale: 1.569 arcsec/pixel

Orientation: 355.818 degrees

Field radius: 0.262 degrees

Locations: Home Observatory, Newmarket, Ontario, Canada

Data source: Backyard

Description

The Eskimo Nebula (NGC 2392), also known as the Clownface Nebula or Caldwell 39, is a bipolar double-shell planetary nebula. It was discovered by astronomer William Herschel in 1787. The formation resembles a person's head surrounded by a parka hood. It is surrounded by gas that composed the outer layers of a Sun-like star. The visible inner filaments are ejected by a strong wind of particles from the central star. The outer disk contains unusual, light-year-long filaments. NGC 2392 lies more than 2,870 light-years away, in the constellation of Gemini. -Wikipedia

Comments

Author

Jir11
Jirair Afarian
License: None (All rights reserved)
840
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Revisions

  • Final
    Eskimo Nebula, 





    
        

            Jirair Afarian
    Original
  • Final
    Eskimo Nebula, 





    
        

            Jirair Afarian
    B
  • Eskimo Nebula, 





    
        

            Jirair Afarian
    C

B

Cropped image for better view of the DSO.

C

Original image for comparison.

Sky plot

Sky plot

Histogram

Eskimo Nebula, 





    
        

            Jirair Afarian