Nebulae - Event Horizon

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Most viewed - Nebulae

NGC6334 - Cat's Paw Nebula523 viewsAn emission nebula and star-forming region in the constellation Scorpius; distance from Earth is about 5500 light-years. Also known as Gum 64 or the Bear Claw Nebula.

IC2118, the Witch Hunt Nebula523 viewsFaint reflection nebula in Eridanus, usually known as the Witch Head Nebula, but it doesn't look much like a witch's head in this view, shot with an IDAS NBZ nebula enhancement filter, so maybe this version is best titled the "Witch Hunt Nebula." About 900 light-years away; illuminated by the nearby supergiant blue-white star Rigel in Orion.

NGC 1499 - The California Nebula521 viewsAn emission nebula in the constellation Perseus, so called because it resembles the State of California in shape (though not in this image). About 1000 light-years from Earth.

M20 - The Trifid Nebula520 viewsA combination of an open cluster of stars, an emission nebula (the lower, red portion), a reflection nebula (the upper, blue portion) and a dark nebula (which accounts for the gaps dividing the nebula into lobes). About 5000 light-years away in the constellation Sagittarius.

NGC1499 - The California Nebula, narrowband version 520 viewsA more conventional narrowband rendition of the California Nebula, mapping H-alpha to gold and O-III to blue

M18 and M17 together515 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.

NGC6960 - The Western Veil Nebula515 viewsPart of the Cygnus Loop, a supernova remnant in Cygnus. Also known as the Witches’ Broom.

NGC 7023, the Iris Nebula515 viewsReflection nebula in Cepheus. Actually the nebula is LBN 487, and NGC 7023 is a star cluster within the nebula. 1300 light-years away and 6 across.

NGC 1977, The Running Man Nebula in Orion513 viewsA reflection nebula embedded in a bright HII region, Sh2-171, found in Orion's Sword near the Great Orion Nebula M42. Sh2-171 also includes two other nebulae and the star cluster NGC-1981.

NGC2237 - The Rosette Nebula510 viewsEmission Nebula / HII region in Monoceros, with open cluster NGC 2244 in center of nebula.

M20 - the Trifid Nebula (narrowband)505 viewsAn emission/reflection nebula in Sagittarius. About 4100 light-years from Earth.

IC5146 - The Cocoon Nebula504 viewsEmission/reflection nebula in Cygnus, surrounded by dark nebula Barnard 168 (B168) which also appears as a trail behind the Cocoon

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Event Horizon - Astronomical and Terrestrial Images