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Event Horizon - Astronomical and Terrestrial Images

Home > Astronomical Images Most viewed - Astronomical Images Comet 2020/F3 NEOWISE603 viewsConditions for photographing Comet NEOWISE from my observatory near Anza, California were less than ideal. The comet was visible only in the northwest for a couple hours after sunset, at most, which put it squarely in the Los Angeles light dome. Another factor involved was the inexperience of the photographer - I hadn't done any night shooting with my DSLR before and I never got the camera focused properly, so the stars came out somewhat bloated and fuzzy. They also show some coma, I don't know why. But at least the comet itself came out reasonably well. End of Totality600 viewsI missed getting the diamond ring on this one, but you can see a hint of it at 7 o'clock. IC1396A - Elephant Trunk Nebula 556 viewsA narrowband (Hubble Palette) image of a dense cloud of gas and dust within a much larger region of ionized gas designated IC1396, illuminated and ionized by the massive bright star HD206267 at the upper right corner of the frame. I don't find that the shape of the nebula resembles an elephant's trunk, but rather, as Michelle Evans has suggested, a dragon named Verminthrax Pejorative from the movie Dragonslayer. Sharpless 2-171, The Teddy Bear Nebula in Cepheus538 viewsAn emission nebula, part of a larger nebula designated NGC 7822, about 2900 light years away. NGC 4725529 viewsA one-armed spiral galaxy in the constellation Coma Berenices, about 41 million light-years from Earth. This is a Seyfert galaxy, meaning that it has a very active nucleus; it is also a barred spiral and has a prominent ring structure. It is interacting with NGC 4747 in the upper left corner of the frame, resulting in severe distortion of both galaxies and producing the spectacular tidal tails seen with NGC 4747. The smaller spiral galaxy to the right of NGC 4725 is NGC 4712. Messier 104 - The Sombrero Galaxy522 views28 million light-years away in the constellation Virgo, the Sombrero is one of the most spectacular of all galaxies. Pre-Totality 10519 viewsNor now the long light on the sea: Sharpless 2-155 - The Cave Nebula510 viewsA narrowband (Hubble Palette) view of an emission nebula in Cepheus; part of an ionized HII region within a larger complex containing emission, reflection and dark nebulae. About 2400 light-years away, on the edge of the Cepheus molecular cloud. M20 - The Trifid Nebula508 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. Second Contact506 viewsWith an annular eclipse, Second Contact is the moment when the Moon's disk becomes fully enclosed by the Sun's. Sharpless2-27 - The Zeta Ophiuchi Nebula504 viewsLarge but very faint emission nebula centered on the star Zeta Ophiuchi. Difficult to image because of the brightness of the star relative to the faintness of the nebula.. NGC 6888 - The Crescent Nebula502 viewsAn emission nebula in the constellation Cygnus, about 5000 light-years away from Earth; formed by the fast stellar wind from the Wolf-Rayet star WR 136 colliding with and energizing slower-moving matter ejected by the star when it became a red giant around 250,000 to 400,000 years ago. 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] => 1851603dc67714912bd1fc5190217c58 [am] => 1 [liv_a] => Array ( [0] => 7 [1] => 10 ) ) ========================== USER DATA: ------------------ Array ( [user_id] => 0 [user_name] => Guest [groups] => Array ( [0] => 3 ) [group_quota] => 0 [can_rate_pictures] => 1 [can_send_ecards] => 0 [can_post_comments] => 0 [can_upload_pictures] => 0 [can_create_albums] => 0 [pub_upl_need_approval] => 1 [priv_upl_need_approval] => 1 [access_level] => 3 [disk_max] => 0 [disk_min] => 0 [has_admin_access] => 0 [group_name] => Guests 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