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Most viewed - Astronomical Images

First Contact plus ~30 minutes457 viewsAbout halfway through pre-totality.

IC4603 - Core of the Rho Ophiuchi Complex457 viewsThis blue reflection nebula glows by the light of the 7.9 magnitude star SAO184376 in the center.

NGC7635 - The Bubble Nebula - H-alpha enhanced version456 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.

IC4604, The Rho Ophiuchi Nebula456 viewsPart of the Rho Ophiuchi complex, a gaggle of interstellar clouds centered 1 degree south of the star Rho Ophiuchi. Estimated distance from Earth is 460 light-years.

First Contact455 viewsVenus takes a tiny nibble out of the Sun's disk just past the 5 o'clock position.

NGC 5139 - Omega Centauri Cluster455 viewsGlobular cluster in Centaurus, 17,090 light-years away. The largest-known globular cluster in the Milky Way, estimated to contain approximately 10 million stars, and a total mass equivalent to 4 million solar masses.

NGC 3521, "flocculent" spiral galaxy in Leo455 viewsNGC 3521 is termed a "flocculent" spiral galaxy because it has patches or clumps of stars breaking up the continuity of the spiral arms. Self-propagating star formation is thought to account for the patchiness. The galaxy lies about 26 million light-years away from us.

IC2118, the Witch Hunt Nebula455 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.

Leo Trio of Galaxies455 viewsM65 (top), M66 (center left) and NGC3628 (right). About 35 million light years away in the constellation Leo.

Totality minus 20 minutes454 viewsC2 - 20 min, 42 sec

NGC 7009 - The Saturn Nebula454 viewsA planetary nebula in the constellation Aquarius, at a distance of about 5000 light-years, with a superficial resemblance to the planet Saturn. This image does not do it justice, because a much larger telescope is required to resolve the complex internal structure of the nebula.

M8 - the Lagoon Nebula (narrowband)453 viewsA giant emission nebula in Sagittarius. Distance 4100 light-years. 110 x 50 light-years in size. Part of a larger star cloud.

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Event Horizon - Astronomical and Terrestrial Images