Comet Lulin Approaches . ... Although it is notoriously difficult to accurately predict the brightness of newly discovered comets, Comet Lulin could well become visible to the unaided eye later this month. ... Tracking observations indicate that the comet officially designated C/2007 N3 (Lulin) has now swung by the Sun and is approaching Earth on a trajectory that will bring it within half the Earth-Sun distance in late February. ... NASA Web Site Statements, Warnings, and Disclaimers . ...

... Donate to Support Science Literacy . ... 2016 Annual Awards . The ASP is accepting nominations for the organizationтАЩs national annual awards which recognize special achievements in astronomy research, technology, education, and public outreach. ... Shop the AstroShop . ... The Astronomical Society of the Pacific (ASP) is accepting nominations for the organizationтАЩs national annual awards which recognize special achievements in astronomy research, technology, education, and public outreach.. ...

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . ... Parkes | ... Future ATNF Operations (Version 1) was released on the web in February 2008. During March and early April 2008 we visited universities around Australia to discuss the future operations plans with the Australian user community. ... Web forum feedback on ATNF Future Operations (Version 1) . ... Future ATNF Operations: Overview . ...

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SAI 175 anniversary . ... Moscow University . Search for in SAI Moscow University Search for in Russian astronomical resources . ... SAI Astronomical Databases . ... Browse SAI Software archive(ftp.sai.msu.su) . ASTRONET.RU - Russian Astronomical Network (available in translit also) . ... SAI Supernovae Research Group . ... Department of the Galaxy and Variable Stars (in Russian) . Sternberg Astronomical Institute Seminars . ... All-Russian Astronomical Olympiad (in Russian) . ...

... HST . ... Data . ... HST Overview . Overview . ... Retrieving HST Data . ... Apertures . ... Data Files . ... We have updated the offsets for the full-field apertures, which results in a significant wavelength shift if those apertures were used for slitless spectroscopy. j1c1746no_apd.fits (use on or prior to December 8, 1997) . ... We have updated the entry for the F28X50OIII filter to account for the red leak, and to change the F28X50LP by 0.766 of the previous values (based on in-orbit data). ...

The Astronomical Society of Australia has been asked by STANDARDS AUSTRALIA to compile a list of "designated" optical observatories that are valuable resources for (i) research, (ii) education and (iii) community use. The ASA is the final arbiter of whether any particular observatory is so designated. ... Upon receipt of your application form, your observatory will be entered on a list of "Pending Designated Observatories" on the ASA Home Page. ... It will be emailed for you. ... Email . ...

... 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....

... Printed in U.S.A. *CRATES: An All-Sky Survey of Flat-Spectrum Radio Sources* Stephen E. Healey , 1 Roger W. Romani , 1 Gregory B. Taylor , 2 Elaine M. Sadler , 3 Roberto Ricci , 4 Tara Murphy , 3, 5 James S. Ulvestad , 6 and Joshua N. Winn 7 /Received 2006 December 19; accepted 2007 February 5/ *ABSTRACT* We have assembled an 8.4 GHz survey of bright, flat-spectrum (? > -0.5) radio sources with nearly uniform extragalactic (|/b/| > 10 0; ) coverage for sources brighter than /S/_4.8 GHz = 65 mJy. ...

... Date: 3 February 2009 00:40:58 GMT . Subject: IAA Lecture, Prof Carl Murray visit, BCO Events, Jupiter occultation . ... Visit of Professor Carl Murray of€а "The Cassini-Huygens Mission to Saturn" . ... Blackrock Castle Observatory Events: . ... Blackrock Castle Observatory in Cork has launched its new series of events for IYA2009.€а See: www.bco.ie . ... JUPITER OCCULTATION : - Advance notice: Jupiter will occult a relatively bright star on 3 August. ...

On Thursday, 1998 February 26, a total eclipse of the Sun was visible from within a narrow corridor traversing the Western Hemisphere. The totality path (or path of the Moon's umbral shadow) began in the Pacific, continued through northern South America and the Caribbean Sea, and ended at sunset off the Atlantic coast of Africa. ... Some of the best placed sites along the totality path were in Venezuela. ... Exposure time was 1/2 second. At this location totality lasted 3min 36sec. ...

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... Universal time of geocentric conjunction h m s in right ascension 2008, February 7, 3 08 50.4 Geocentric coordinates of the Sun h m s s h Right ascension . ... 15 34.92+ 0.398(T- 3 )-0.001(T- 3 ) T - universal time in hours (TDT-UT1= 66.0s) General Circumstances of the Eclipse ---------------------------------------------------------------------------- Phenomena | Universal| ... 201 28.5 50 |- ... 213 58.6 40 |- ... 216 28.6 50 |- ... 256 28.7 30 |+ ... 146 28.8! ... 151 12.6! ... 155 18.0! ...

... Astrophysics Group . ... Optical Interferometry . OIFITS: A Data Exchange Standard for Optical (Visible/IR) Interferometry . ... OIFITS is a standard for exchanging calibrated, time-averaged data from astronomical optical interferometers , based on the FITS Standard (OIFITS is a registered FITS convention ). ... The OIFITS standard is used in the biennial optical interferometry Imaging Beauty Contests: . ... A data exchange standard for optical (visible/IR) interferometry. ...

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... Eclipses of the Moon in 2009 : . In 2009 there are four eclipses of the Moon (tree penumbral eclipses on February 9, July 7, and August 5-6 and a partial eclipse on December 31). ... Moon enters penumbra (P 1 ) . ... Moon leaves penumbra (P 4 ) . ... Eclipse, lunar : . ... It may be total (the Moon passing completely through the Earth's umbra ), partial (the Moon passing partially through the Earth's umbra at maximum eclipse), or penumbral (the Moon passing only through the Earth's penumbra ). ...

. Pulkovo Observatory of Russian Academy of Sciences is situated . near Saint-Petersburg. It was founded in 1839. 196140, Saint-Petersburg, Pulkovskoye chaussee 65/1 . English version . Russian version . This page has been accessed times since May 1, 1999.

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... History of Science. Science education. ... Visiting Scientist, Department of Astronomy , Oxford University Summer Faculty, Department of Astronomy , Columbia University Programmer, Radio and GeoAstronomy Division, SAO Sponsored Research Staff, Center for Space Research, MIT Research Assistant, Earth and Planetary Physics, Harvard University Sp ecial App ointments: 2009-2012 2005-2007 2003-2004 2003-2004 2001-2003 1997-2009 ( AAAS ) 1995-1997 1995 1994 1993-1995 1991-1993 1990-1992 Member, ...

Astronotes Armagh Planetarium's Stellar Blog! ... Moon . Planets . ... Monthly Sky Notes . ... February . ... The ringed planet will be quite bright, but unlike Jupiter it will not be the brightest point of light in the sky, this accolade will return to Sirius which is the brightest star in our night sky in the constellation of Canis Major. ... Seven days later on February 18, the Moon will be in its full Moon phase. ... Tweets that mention Wonders of the February Night Sky | ... Astronotes . ...