... The time warp occurs because the above image captured in a single frame a four hour exposure of the night sky. ... The space warp occurs because the above image is actually a full 360 degree panorama , horizontally compressed to fit your browser. As the Earth rotated , stars appeared to circle both the South Celestial Pole , on the left, and the North Celestial Pole , which occurs just below the horizon on the right. ... A horizontally unwarped image is visible by clicking on the above image. ...

... 2007 June 13 . Warped Sky: Star Trails Panorama . ... Explanation: What's happened to the sky? A time warp, of sorts, and a digital space warp too. The time warp occurs because the above image captured in a single frame a four hour exposure of the night sky. ... The space warp occurs because the above image is actually a full 360 degree panorama , horizontally compressed to fit your browser. ... A horizontally unwarped image is visible by clicking on the above image. ... About APOD | ...

I was wondering what conditions should be met to have the "darkest" sky .. ... Upon the above publication of the Southern Galactic hemisphere, TunГ Tezel started seeking opportunities to create the Northern counterpart image. ... So, the initial quest of having the darkest possible sky have delivered us these two all-sky images of the two galactic hemispheres as seen from Planet Earth. Zoomable and 'full-screenable' fisheye view of the "darkest sky" Southern Galactic Hemisphere image. ...

home publications > mercury . SEARCH ASP SITE: Match ALL words Match ANY word . ... IAU Publications . ... When Zeus Made Night from Midday . ... But sprinkle uncertainty into this grand mix?as might occur when something as profound as total solar eclipse occurs?and you have pretty unsettling situation. ... Solar eclipses were by all accounts events of wondrous and magical proportions. ... We have even used eclipses to probe the laws of physics and to discover new worlds outside the Solar System. ...

... ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Facilities . ATNF facilities . ... Australian Square Kilometre Array Pathfinder . Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... ATCA . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ...

... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . Colin Johnston . ... Telescopes and Observatories . ... January . ... By admin February 20, 2013 Posted in: Armagh Planetarium . ... M42, the Great Nebula in Orion, imaged through Armagh Planetarium?s telescope in January 2013. ... Image credit: Colin Johnston/Armagh Planetarium) . ... M31, the Andromeda Galaxy, imaged with the new telescope in January 2013. ... Armagh Planetarium?s new telescope in action in January 2013. ...

... Most Important Journals . Less Popular Astronomical Journals . Physics . Space, Selectial mechanics, .. Russian Journals . ... Astrophysics & Astronomy . ... Astronomical Journal . ... New Astronomy . ... Publications of the Astronomical Society of the Pacific . ... STScI News . Space Telescope Insitute Newsletter . ... Journal of Astronomical Data . ... Journal of High-Energy Physics (mirror in CERN ) [astro, grav, hi-energy .. ... Journal of Experimental and Theoretical Physics . ...

... Tonight's Sky . ... The Magazine . ... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Bright planets meet at dusk . ... Astronomy magazine subscribers can read the full article for free. ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter....

... More information on books, telescopes, clubs, etc. is available in the Getting Started section. ... For more information call 617-495-7461. Boston University Astronomy Department - Public telescopic observing is held every clear Wednesday night. ... Boston Museum of Science - For more information and admission prices call 617-723-2500. ... For information and admission prices call 508-929-2700. ... Springfield Telescope Makers , VT. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... They will increase in number each night for the next couple of days, reaching a maximum late on the night of 11/12 August, when up to 100 meteors per hour may be visible under good conditions! ... A meteor is just the fiery death of one of these particles, which we see as it burns away during its high speed impact with our upper atmosphere. ... The Perseids are always one of the best annual showers, and with conditions this year being particularly favourable, let's hope for clear skies. ...

Next: Sky problems Up: Special problems Previous: Special systems . Often, one finds that some nights of a run were of marginal photometric quality. ... How should these marginal nights be treated? ... In treating a bad night separately, one can either force the extinction coefficients to have particular values, or force the standard and extinction stars to have particular values (by creating a special standard-star file). ...

NMW survey overview . Access image archive . ... The New Milky Way survey aims to detect bright (V<13.5) optical transients near the Galactic plane using an automated wide-field (8x6 deg.) system capable of surveying the whole Milky Way area visible from the observing site in one night. ... All images obtained during the transient search survey are available online (please use the image archive access form ). ... Images per field: . ... Images per night: . ... Milky Way imaging time: . ...