... The HDF Project. ... How to obtain the data catalogs. Observing logs and ancillary information. Technical information on the data reduction pipeline. Technical information on image registration and combination. Technical information on source detection and photometry. HDF Clearinghouse -- followup observations and analysis. ... Hubble Deep Field Academy -- Educational Resource for Middle School students . Hubble Deep Field South The Space Telescope Science Institute home page . ...

... 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....

Views of the Solar System . ... V iews of the Solar System presents a vivid multimedia adventure unfolding the splendor of the Sun, planets, moons, comets, asteroids, and more. ... Views of the Solar System offers enhanced exploration and educational enjoyment of the solar system and beyond. ... Sun . ... Asteroids . Comets . ... History . ... Satellite Data . ... Browser . ... Credits . ... Solar System Introduction . ... Sun, Planet & Satellite Data | Planetary Data Browser | ...

... Comet Ikeya-Zhang, designated C/2002 C1 (Ikeya-Zhang), is named after Kaoru Ikeya of Shizuoka prefecture, Japan, and Daqing Zhang of Henan province, China, who independently discovered it on the night of 1 February 2002. A preliminary orbit reported the following day indicated that it would come moderately close to both the Earth and the Sun and that it might become visible to the naked eye during late March and April 2002. ... Bailey, M.E., Clube, S.V.M. and Napier, W.M. The Origin of Comets . ...

... Science User Portal . ... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... Travel to Guesthouse . ... Survey Telescopes . ... This video fades back and forth between views of the stellar nursery Monoceros R2 in visible and infrared light. The visible-light view was created from digitised photographs through red and blue filters forming part of the Digitized Sky Survey 2 (DSS) and the new infrared view comes from the VISTA telescope at Paranal. ...

. Cambridge . MRAO . Bojan Nikolic web pages home . Next: Talk on OOF holography at Cambridge . Previous: New Memo on inference of phase coefficients... | . Next Monday I will be at the "Early high-z Science with ALMA" in . Oxford: . http://www-astro.physics.ox.ac.uk/~ianh/alma/ . Maybe see you there.... Please enable JavaScript to view the comments powered by Disqus. blog comments powered by Disqus . Copyright 2012, Bojan Nikolic feedback welcome

Astronotes Armagh Planetarium's Stellar Blog! ... Solar System . Sun . ... March . ... The extent of the solar eclipse of 3 November€а 2013 at 13:22 UTC as seen from Accra, Ghana. We will see a similar sight.€а (Image credit: Kwabena under Creative Commons Licence) . ... Your viewing location is not important as long as it offers an unobstructed view of the south eastern sky.. ... You can use ?eclipse glasses? to view the Sun, these are made from aluminized Mylar filter material. ...

Map projected image of Earth (AVHRR) 123k gif . Famous Apollo 11 image of Africa & Europe 31k jpg . global composite of satellite images 508k gif . ... Earth by Meteosat 4 satellite (IR filter) 688k jpg . ... infrared weather satellite image of the US and Mexico gif . ... NOAA satellite's view of USA 322k gif . ... USA at night 67k gif ; html . ... Earth-Moon together from Galileo 2nd flyby P-41508 79K gif . ... Earth images from weather satellites html . ... Earth Viewer html . ... Earth .. ...

... Credit Copyright: Fritz Helmut Hemmerich Explanation: Sweeping through northern skies, Comet Catalina (C/2013 US10) made its closest approach on January 17, passing about 6 light-minutes from our fair planet. Dust and ion tails clearly separated in this Earth-based view, the comet is also posed for a Messier moment , near the line-of-sight to M101, grand spiral galaxy in Ursa Major. ... January . ... NASA Web Site Statements, Warnings, and Disclaimers . ... Publications with keywords: comet . ...

... Its perihelion would occur on April 1, 1997, at which point the comet would be only 0.92 astronomical units from the Sun, just within the orbit of Earth. ... Taken in April 1993, the photo showed the comet over 13 astronomical units from the Sun, well beyond the orbit of Saturn. ... Hale, as in Comet Hale-Bopp, has written a book, Everybody's Comet (available through the ASP Catalog) and coordinated an Internet project, "Hale-Bopp: Live in the American Classroom." ... Anatomy of a comet. ...

Views of the Solar System . ... V iews of the Solar System presents a vivid multimedia adventure unfolding the splendor of the Sun, planets, moons, comets, asteroids, and more. ... Views of the Solar System offers enhanced exploration and educational enjoyment of the solar system and beyond. ... Sun . ... Asteroids . Comets . ... History . ... Satellite Data . ... Browser . ... Credits . ... Solar System Introduction . ... Sun, Planet & Satellite Data | Planetary Data Browser | ...

... click image to view discuss) . Comet PANSTARRS 3/13/2013 . ... Single image 4 sec exposure ISO 1600; Acton, MA . Submitted by Paul Benni on 03/16/2013 08:48:06 . ... Single image 4 sec exposure ISO 1600. ... Earthshine on Moon 3/13/2013 . ... I needed to identify Pluto's movement to make a positive ID among the many stars, which was fun to do. 8" EdgeHD telescope, 0.62x reducer, and SBIG ST-8300C camera. 5 minute images. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... At the crossing of Shijo dori and Karasuma dori. Dori" is street in Japanese. a04. ... A view to Karasuma dori; center of the city is in opposite direction. ... Crossed Kamogawa, standing near narrow boulevard. a13. ... A view to the river near Kyoto International Conference Hall (KICH). b12. ... Pagoda of Toji temple. c23. ... In the small temple of Imperial Palace park. f15. In the small temple of Imperial Palace park. f16. In the small temple of Imperial Palace park. f17. ...

Catalyst: Decade of Cosmology View High Quality View Low Quality Transcript . September 16, 2010, Catalyst ABC Science Show, Host: Graham Philips, Charley Lineweaver and other cosmologists look at what we've discovered about our universe in the last ten years. Series 11, Episode 30, Duration 8 minutes . ... Duration 58 minutes . Catalyst: Future of the Moon View High Quality View Low Quality Transcript . ... Catalyst: Space Storms View High Quality View Low Quality . ...

... Early History of Optics . Key Players in the History of Science . ... Chronology of Writings about the Age of the Earth . The Age of the Earth Debate . The Nature of Science . ... Most Important Events in Astronomical History . ... On the Nature of Things - Lucretius . ... The Shapley-Curtis Debate . ...

. This color image was obtained with Fuji color film (Super Plus 400) in focal plane of the 70-cm reflector (F = 27 m) at Lisniki Observatory by A.M.Evtushevsky. Data and time of observation: April 27, 1997, 21:25 LT. Comet-Earth distance: 1.7 a.u. Time of exposure: 10 min. Field of view : 3 minutes of arc. Distance between shells, in average: 15 000 km. Diameter of bright coma in the picture center: of about 5 000 km. Last updated: January, 2005.

... This site requires Javascript to function correctly. ... ASRAS HOME . ... About ASRAS . Join ASRAS . ... ASRAS Board Members . Our Observing Site . ... April 2016 . ... ASRAS MONTHLY MEMBERSHIP MEETING - Friday April 1 at RIT (ASRAS Events) . ... ASRAS Board members meeting - monday April 4 @ U of R Bausch and Lomb bldg (ASRAS Events) . ... Messier Marathon (Member Observing) CANCELLED (ASRAS Events) . ... ASRAS HOME Beginners Mees Observatory Contact US About ASRAS Our Observing Site Login . ...

Next: Dark current and cooling Up: CCD Scientific Performance Previous: Particle Background Rejection . ... A standard TV format CCD is only 15mm across its diagonal, and hence substantial effort has had to be expended to increase the size of individual chips, and to develop techniques for mosaicking many chips, efficiently to cover the focal plane areas. ... This aspect alone hints at the complex trade-offs involved in the design of a CCD focal plane. ...

... Copyrightї1997 Bob Yen (byen@ix.netcom.com) (http://www.comet-track.com/hb/hb.html) . ... Information on Comet Hale-Bopp for the Non-Astronomer Hale-Bopp rotates about twice a day (3/14/97) . ... The Comet Observation Home Page was been selected to receive the Griffith Observatory Star Award for the week of February 2 - 8, 1997 for excellence in promoting astronomy to the public through the World Wide Web. ... Typically, about 1,000 individual users/computers access this page every day. ...

... Home Articles Comet Hyakutake: The Great ?Earthgrazing? Comet of 1996 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . Observing Resources for Amateur Astronomers - Part 2: Intermediate Observers . ... Comet Hyakutake: The Great "Earthgrazing" Comet of 1996 . A History of the First Forty Years of the Amateur Astronomers Association . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...