Nebulae - Event Horizon

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Most viewed - Nebulae

NGC 2359 - Thor's Helmet678 viewsAn emission nebula in the constellation Canis Major; about 12,000 light-years away. Consists largely of interstellar gas swept up by the central star, and partly of material from the star itself, which is an extremely hot, massive Wolf-Rayet star in a short-lived pre-supernova stage.

NGC 7635 - The Bubble Nebula674 viewsEmission nebula in the constellation Cassiopeia. The bubble is created by the stellar wind from a hot, young star.

M8, The Lagoon Nebula in Sagittarius669 viewsAn emission nebula lying 4000-6000 years from Earth. Also designated NGC 6523. An HII star-forming region. Contains the open cluster NGC 6530.

IC1848 - The Soul Nebula, narrowband version668 viewsNarrowband rendition of the Soul Nebula, captured using an IDAS NBZ nebula enhancement filter, with H-alpha emissions in red and O-III emissions in blue.

M17, the Swan Nebula (nasrrowband)668 viewsAlso known as Omega. Checkmark, Lobster and Horseshoe Nebula. 5,000 to 6,000 light-years away and 15 light-years across. Prolific star-forming region.

IC1318 - Gamma Cygni Nebula662 viewsA diffuse emission nebula surrounding Sadr (Gamma Cygni) at the center of the Northern Cross in the constellation Cygnus.

SH2-132, The Lion Nebula661 viewsEmission nebula in the constellation Cepheus, near the border with Lacerta; about 10,400 light-years away..

IC5146 - The Cocoon Nebula660 viewsEmission/reflection nebula in Cygnus, surrounded by dark nebula Barnard 168 (B168) which also appears as a trail behind the Cocoon

NGC 7822 - Star-forming region in Cepheus659 viewsIncludes the emission nebula Sharpless 171 and the star cluster Berkeley 59. Around 3000 light-years from Earth.

IC 1805 - The Heart Nebula in Cassiopeia658 viewsIC 1805, the Heart Nebula, lies 7,500 light-years away from Earth in the Perseus arm of the Milky Way. It is an emission nebula, drawing its radiance from Melotte 15, the cluster of bright stars in the center of this image.

M18 and M17 together658 viewsTwo Messier objects - M18, a sparse open cluster, at left, 4230 light-years away; and M17, the Swan or Omega Nebula, at right, 5 to 6 thousand light-years distant, both in Sagittarius.

M17 - The Swan Nebula654 viewsIn the constellation Sagittarius. Also known as the Omega or Horseshoe Nebula. A prolific star-forming region, lying 5000-6000 years from Earth.

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Event Horizon - Astronomical and Terrestrial Images