Nebulae - Event Horizon

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Most viewed - Nebulae

NGC 2359 - Thor's Helmet640 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.

IC1848 - The Soul Nebula, narrowband version636 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)634 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.

IC5146 - The Cocoon Nebula629 viewsEmission/reflection nebula in Cygnus, surrounded by dark nebula Barnard 168 (B168) which also appears as a trail behind the Cocoon

SH2-132, The Lion Nebula628 viewsEmission nebula in the constellation Cepheus, near the border with Lacerta; about 10,400 light-years away..

M18 and M17 together625 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.

IC1318 - Gamma Cygni Nebula625 viewsA diffuse emission nebula surrounding Sadr (Gamma Cygni) at the center of the Northern Cross in the constellation Cygnus.

NGC 7822 - Star-forming region in Cepheus624 viewsIncludes the emission nebula Sharpless 171 and the star cluster Berkeley 59. Around 3000 light-years from Earth.

M8, The Lagoon Nebula in Sagittarius621 viewsAn emission nebula lying 4000-6000 years from Earth. Also designated NGC 6523. An HII star-forming region. Contains the open cluster NGC 6530.

Sharpless2-11 - The War and Peace Nebula in Scorpius617 viewsHII region in Scorpius. Also known as Gum 66 and NGC 6357; ionised by the Pismis 24 and AH03 J1725−34.4 star clusters.

NGC 7635 - The Bubble Nebula616 viewsEmission nebula in the constellation Cassiopeia. The bubble is created by the stellar wind from a hot, young star.

IC4592 - Blue Horsehead Nebula 606 viewsReflection nebula in the constellation Scorpius, lit by the giant septuple star Jabbah (Nu Scorpii). This photo shows only part of the nebula, so the horsehead shape is not evident here.

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Event Horizon - Astronomical and Terrestrial Images