Thor's Helmet - Tilt-shifted

Submitted By: cube on November 18, 2016

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Thor's Helmet - Tilt-shifted

Not very good quality... idk, maybe you could use it as a phone wallpaper?

Our Beautiful Universe

Submitted By: Sir-Robert on October 9, 2016

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Our Beautiful Universe

sky

Submitted By: Hsing Kuo on August 30, 2016

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1991

sky

NGC2359 - Thors Helmet

Submitted By: swag72 on February 23, 2016

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NGC2359 - Thors Helmet

NGC 2359 (also known as Thor's Helmet) is an emission nebula in the constellation Canis Major. The nebula is approximately 11.96 thousand light years away and 30 light-years in size. The central star is the Wolf-Rayet star WR7, an extremely hot giant thought to be in a brief pre-supernova stage of evolution. It is similar in nature to the Bubble Nebula, but interactions with a nearby large molecular cloud are thought to have contributed to the more complex shape and curved bow-shock structure of Thor's Helmet.

It is also catalogued as Sharpless 2-298 and Gum 4.

The nebula has an overall bubble shape, but with complex filamentary structures. The nebula contains several hundred solar masses of ionised material, plus several thousand more of unionised gas. It is largely interstellar material swept up by winds from the central star, although some material does appear to be enriched with the products of fusion and is likely to come directly from the star.The expansion rate of different portions of the nebula varies from 10km/s to at least 30km/s, leading to age estimates of 78,500 - 236,000 years. The nebula has been studied at radio and x-ray wavelengths, but it is still unclear whether it was produced at the class O main sequence stage of development, as a red supergiant, luminous blue variable, or mainly as a Wolf-Rayet star.

Details:
Mount: Avalon Linear Fast reverse
Telescope: Orion Optics ODK10
Camera: QSI683 with Astrodon 3nm Ha and OIII filters

30x1800s Ha
25x1800s OIII

27.5 hours of total exposure

The Most Stunning Nebula Ever

Submitted By: NebulaImages on February 6, 2016

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The Most Stunning Nebula Ever

The Almighty Hourglass Nebula!

Submitted By: NebulaImages on February 6, 2016

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The Almighty Hourglass Nebula!

Stunning Green Web-Like Nebula

Submitted By: NebulaImages on February 6, 2016

24

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1975

Stunning Green Web-Like Nebula

The Famous Crab Nebula

Submitted By: NebulaImages on February 6, 2016

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1949

The Famous Crab Nebula

Is That An Alien?

Submitted By: NebulaImages on February 6, 2016

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Is That An Alien?

The Eye Upon Us

Submitted By: NebulaImages on February 6, 2016

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The Eye Upon Us

Orange, Blue and Purple Nebula

Submitted By: NebulaImages on January 21, 2016

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Orange, Blue and Purple Nebula

Orange, Blue and Purple Nebula

Collage of Nebulae with Dominant Yellows and Blues

Submitted By: NebulaImages on January 21, 2016

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Collage of Nebulae with Dominant Yellows and Blues

Collage of Nebulae with Dominant Yellows and Blues

Orange Colored Nebula with Lots of Blue, Purple and Reds

Submitted By: NebulaImages on January 21, 2016

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1950

Orange Colored Nebula with Lots of Blue, Purple and Reds

Orange Colored Nebula with Lots of Blue, Purple and Reds

Yellow, Pink and Purple Nebula

Submitted By: NebulaImages on January 21, 2016

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Yellow, Pink and Purple Nebula

Yellow, Pink and Purple Nebula

Dark Orange Tornado Looking Nebula

Submitted By: NebulaImages on January 21, 2016

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Dark Orange Tornado Looking Nebula

Dark Orange Tornado Looking Nebula