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Event Horizon - Astronomical and Terrestrial Images

Home > Astronomical Images Last additions - Astronomical Images M8 - the Lagoon Nebula (narrowband)237 viewsA giant emission nebula in Sagittarius. Distance 4100 light-years. 110 x 50 light-years in size. Part of a larger star cloud.Jul 10, 2025 Leo Trio of Galaxies260 viewsM65 (top), M66 (center left) and NGC3628 (right). About 35 million light years away in the constellation Leo.Aug 07, 2024 M51 - The Whirlpool Galaxy230 viewsLocated 31 million light-years away in the constellation Canes Venatici. The small galaxy at the tip of one of M51's spiral arms is NGC 5195; it is passing behind M51. Aug 07, 2024 Messier 12, Globular Cluster in Ophiuchus232 viewsAbout 16,400 light years from Earth; diameter about 75 light-years. It is loosely packed and has an unusually small number of low-mass stars.Aug 07, 2024 The Draco Trio of Galaxies248 viewsThree galaxies in Draco: NGC 5981, edge-on spiral at top; in the middle, elliptical galaxy NGC 5982; bottom, spiral galaxy NGC 5985.Aug 07, 2024 Messier 88 - Spiral galaxy in Coma Berenices262 viewsA member of the Virgo Cluster although it appears in the neighboring constellation of Coma Berenices. About 47 million light-years distant from Earch; boasts a 100-million solar mass black hole at its core.Aug 07, 2024 M81 Group of Galaxies228 viewsM81, Bode's Galaxy, M82, the Exploding Cigar Galaxy; 12 million light-years distant in Ursa Major; plus NGC3077 as an added bonusAug 07, 2024 Messier 104 - The Sombrero Galaxy238 viewsUnique spiral galaxy 31 million light-years from Earth on the border of the constellations Virgo and Corvus. It has a bright nucleus, an unusually large central bulge, and a prominent dust lane in its outer disk.Aug 07, 2024 Sharpless 2-82 - The Little Cocoon nebula in Sagitta225 viewsAlso known as the Little Trifid Nebula, LBN 129 and DG 159. Ionized by the B0.5V star HD 231616.Aug 06, 2024 Sharpless2-112267 viewsEmission nebula in Cygnus, energized by the star BD +45 3216 embedded within it.Aug 06, 2024 Sharpless2-13249 viewsEmission nebula in Scorpius.Aug 06, 2024 NGC 7000, North American Nebula, Cygnus Wall203 viewsThe Cygnus Wall is a section of the North American Nebula, but it doesn't resemble the Florida-like structure usually seen with NGC7000 because the filter used for this photo gives a different view than regular broadband shots.Aug 06, 2024 257 files on 22 page(s) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 - 22 Debug Info  Debug Output: show / hide Select All USER: ------------------ Array ( [ID] => 7a811bafbed7de4e039f68c9f3aae478 [am] => 1 [liv] => Array ( [0] => 79 [1] => 834 [2] => 1890 [3] => 997 [4] => 2095 ) ) ========================== USER DATA: ------------------ Array ( [user_id] => 0 [user_name] => Guest [groups] => Array ( [0] => 3 ) [group_quota] => 0 [can_rate_pictures] => 1 [can_send_ecards] => 0 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