Nebulae - Event Horizon

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Most viewed - Nebulae

NGC 7023 - the Iris Nebula in Cepheus701 viewsA bright reflection nebula in the constellation Cepheus, about 1300 light-years away. Actually NGC 7023 is the star cluster inside the nebula, which is properly designated LBN 487.

Sharpless2-275 - The Rosette Nebula700 viewsHII region in the constellation Monoceros; distance 5,200 light-years from Earth. Open cluster NGC2244, in the doughnut hole, provides the energy that makes the nebula glow.

IC2177 - The Parrot Nebula699 viewsUsually known as the Seagull Nebula, but to me it looks more like a parrot. An HII region lying along the border between Canis Major and Monoceros.

M20 - the Trifid Nebula (narrowband)699 viewsAn emission/reflection nebula in Sagittarius. About 4100 light-years from Earth.

NGC2359 - Thor's Helmet698 viewsAn emission nebula in the constellation Canis Major. About 12,000 light-years distant and 30 light-years in size. Associated with the Wolf-Rayet star WR7.

NGC7635 - The Bubble Nebula - H-alpha enhanced version697 viewsAn emission nebula in the constellation Cassiopeia. The "bubble" is created by the stellar wind from a hot, massive star within a molecular cloud which contains the expansion of the bubble, preventing it from dissipating, and is also itself excited by the star. The nebula is 7 light years across and 7100 light-years away.

M8, the Lagoon Nebula, and M20, the Trifid Nebula696 viewsTwo jewels of the summer sky captured in the same frame with a bridge of nebullosity between them.

NGC6960 - The Western Veil Nebula696 viewsPart of the Cygnus Loop, a supernova remnant in Cygnus. Also known as the Witches’ Broom.

NGC 1977, The Running Man Nebula in Orion693 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 Nebula690 viewsEmission Nebula / HII region in Monoceros, with open cluster NGC 2244 in center of nebula.

Sh2-311 - Emission nebula in Puppis684 viewsSharpless 311 (Sh2-311, NGC 2467, Gum 9, LBN 1065 + 1067) is a bright nebula located approximately 20,500 light-years away in the constellation Puppis.

NGC 2359 - Thor's Helmet682 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.

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Event Horizon - Astronomical and Terrestrial Images