Nebulae - Event Horizon

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Most viewed - Nebulae

M18 and M17 together484 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.

NGC6334 - Cat's Paw Nebula482 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.

IC443 - Jellyfish Nebula480 viewsA galactic supernova remnant in Gemini, about 6000 light-years away.

NGC6960 - The Western Veil Nebula479 viewsPart of the Cygnus Loop, a supernova remnant in Cygnus. Also known as the Witches’ Broom.

NGC 7023, the Iris Nebula478 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.

NGC2237 - The Rosette Nebula476 viewsEmission Nebula / HII region in Monoceros, with open cluster NGC 2244 in center of nebula.

NGC 1977, The Running Man Nebula in Orion475 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.

M42 - The Great Nebula in Orion473 views1344 light-years away, 24 light-years across, this emission/reflection nebula is one of the brightest in the sky, as well as the closest region of massive star formation to Earth.

M20 - the Trifid Nebula (narrowband)469 viewsAn emission/reflection nebula in Sagittarius. About 4100 light-years from Earth.

M8, the Lagoon Nebula, and M20, the Trifid Nebula466 viewsTwo jewels of the summer sky captured in the same frame with a bridge of nebullosity between them.

IC5146 - The Cocoon Nebula465 viewsEmission/reflection nebula in Cygnus, surrounded by dark nebula Barnard 168 (B168) which also appears as a trail behind the Cocoon

IC1318 - Gamma Cygni Nebula462 viewsA diffuse emission nebula surrounding Sadr (Gamma Cygni) at the center of the Northern Cross in the constellation Cygnus.

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Event Horizon - Astronomical and Terrestrial Images