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Contains:  NGC 2359, IC 468
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Thors Helmet Bicolour +RGB stars (for Ragnar & Uhtred), 





    
        

            Andys Astro

Thors Helmet Bicolour +RGB stars (for Ragnar & Uhtred)

Description

Thor's Helmet - NGC 2359 (for Ragnar & Uhtred - Vikings/Danes of legend!)
This helmet-shaped cosmic cloud with wing-like appendages is popularly called Thor's Helmet. Heroically sized even for a Norse god, Thor's Helmet is about 30 light-years across. In fact, the helmet is more like an interstellar bubble, blown as a fast wind from the bright, massive star near the bubble's center sweeps through a surrounding molecular cloud. Known as a Wolf-Rayet star, the central star is an extremely hot giant thought to be in a brief, pre-supernova stage of evolution. Cataloged as NGC 2359, the nebula is located about 15,000 light-years away in the constellation Canis Major. This image, made using broadband (RGB stars) and narrowband Ha & O3) filters, captures details of the nebula's filamentary structures. It shows off a blueish color from strong emission due to oxygen atoms in the glowing gas.
8Hrs Ha 3nm x 600 secs
3.5Hrs O3 3nm x 600 secs
20mins RG&B 120 secs
Taken from Kilmore, Victoria with additional NB Data from suburban Melbourne.
10" CF F4 scope, TAk NJP mount, QSI 683wsg8 camera.
Total of 12.5 hrs total integration = 36 hrs on my previous scopes!

Comments

Author

Andys_Astropix
Andys Astro
License: None (All rights reserved)
3779
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Revisions

  • Thors Helmet Bicolour +RGB stars (for Ragnar & Uhtred), 





    
        

            Andys Astro
    Original
  • Final
    Thors Helmet Bicolour +RGB stars (for Ragnar & Uhtred), 





    
        

            Andys Astro
    B

B

less green, less noise

Histogram

Thors Helmet Bicolour +RGB stars (for Ragnar & Uhtred), 





    
        

            Andys Astro