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Contains:  Gem A, IC 443, IC 444, Part of the constellation Gemini (Gem), The star Propus (ηGem), The star μGem
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The jellyfish nebula (IC 443, Sharpless 248)  Mosaic Two panels, 



    
        

            Iñigo Gamarra
The jellyfish nebula (IC 443, Sharpless 248)  Mosaic Two panels
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The jellyfish nebula (IC 443, Sharpless 248) Mosaic Two panels

Technical card


Dates:Jan. 3, 2020Jan. 4, 2020Jan. 5, 2020Jan. 6, 2020

Frames:
Baader 36mm Ha 7nm: 48x900" -25C bin 1x1
Baader 36mm OIII 8.5nm: 48x900" -25C bin 1x1
Baader 36mm SII 8,5nm: 48x900" -25C bin 1x1

Integration: 36.0 hours

Darks: ~40

Flats: ~30

Bias: ~100

Avg. Moon age: 9.01 days

Avg. Moon phase: 66.61%

Bortle Dark-Sky Scale: 7.00


Basic astrometry details

Astrometry.net job: 3318071

RA center: 6h 20' 24"

DEC center: +23° 5' 20"

Pixel scale: 2.464 arcsec/pixel

Orientation: 1.789 degrees

Field radius: 1.734 degrees


Resolution: 4014x3092

Locations: Observatorio particular, La nucia, Alicante, Spain

Data source: Backyard

Description

The jellyfish nebula (IC 443, Sharpless 248) is a supernova remnant located in the constellation Gemini. It is at an approximate distance of 5,000 light years from Earth and has an apparent visual magnitude of 12. The nebula can be found between the stars Mu and Eta Geminorum that also caused the biggest problem in the processing by the halos that caused the OIII .

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Author

Fotoixigo
Iñigo Gamarra
License: None (All rights reserved)
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  • The jellyfish nebula (IC 443, Sharpless 248)  Mosaic Two panels, 



    
        

            Iñigo Gamarra
    Original
  • The jellyfish nebula (IC 443, Sharpless 248)  Mosaic Two panels, 



    
        

            Iñigo Gamarra
    N
  • The jellyfish nebula (IC 443, Sharpless 248)  Mosaic Two panels, 



    
        

            Iñigo Gamarra
    O
  • The jellyfish nebula (IC 443, Sharpless 248)  Mosaic Two panels, 



    
        

            Iñigo Gamarra
    P
  • The jellyfish nebula (IC 443, Sharpless 248)  Mosaic Two panels, 



    
        

            Iñigo Gamarra
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  • The jellyfish nebula (IC 443, Sharpless 248)  Mosaic Two panels, 



    
        

            Iñigo Gamarra
    S
  • The jellyfish nebula (IC 443, Sharpless 248)  Mosaic Two panels, 



    
        

            Iñigo Gamarra
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  • Final
    The jellyfish nebula (IC 443, Sharpless 248)  Mosaic Two panels, 



    
        

            Iñigo Gamarra
    U

O

Description: H-alpha

Sky plot

Sky plot

Histogram

The jellyfish nebula (IC 443, Sharpless 248)  Mosaic Two panels, 



    
        

            Iñigo Gamarra