... Tonight's Sky . ... The Magazine . News . Observing . ... Magazine . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... Astronomy for Kids . ... September 2007 . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine . ...
. ESO Telescopes (La Silla Observatory, Paranal Observatory, Space Telescope - ECF) . Fourmilab Switzerland - A variety of documents, images, software for various machines, and interactive Web resources are available here. INSTITUT DE MECANIQUE CELESTE . Stockholm Observatory , GRB99 Photo-Gallery , Free Time . Swedish 1-m Solar telescope . WARSAW UNIVERSITY ASTRONOMICAL OBSERVATORY . Department of Meteorology and Geophysics, Innsbruck University, Austria .
RADIOASTROPHYSICAL DEPARTMENT INSTITUTE OF SOLAR-TERRESTRIAL PHYSICS RAS SB . ... Added Thursday, February 03, 2005 at 01:52:29 from host h-195-22-238-196.mdl.net . Stanislav : stasiks1475@inbox.lv . ... Hello, i'm a PHD of National Astronomical Observatory of China. ... Added Thursday, October 23, 2003 at 23:03:40 from host dns.bao.ac.cn . ... Added Monday, October 15, 2001 at 21:17:46 from host 195.161.254.132 . ... Added Monday, October 15, 2001 at 21:17:46 from host dial-up-cd03.tuapse.ru . ...
System of astrometric databases of Pulkovo observatory. 26-inch refractor . Pulkovo system of astrometric databases consists of three databases, which contain results of processing photographic and CCD observations, obtained with the 26-inch refractor and the Normal astrograph of Pulkovo observatory. Pulkovo photographic catalogs: Pul-2, Pul-3 (Pul-3 SE), Pul ERS . Results of photographic and CCD observations of Solar system objects . ... Normal Astrograph ...
... 9) Oknyanskij V.L. 1994, "Optical-radio time delays in Q0957+561", Odessa Astronomical Publ., ... 11) Oknyanskij V.L. 1994, "Connection between X-ray and optical variability in NGC4151", in Proceedings of Int. Conf. ... 1994. 12) Oknyanskij V.L. 1994, "Connection between X-ray and optical variability in NGC4151", Astrophys. and Space Science, 222, p.157. ... 14) Oknyanskij V.L., van Groningen E., 1997, "Optical spectral variability of NGC4151 in 1990", Astronomical and Astrophys. ...
... 78.0, THAT GIVES FOR 27 MONTH (2011, MARCH) DEVELOPMENT CURRENT 24 CYCLE OF SOLAR ACTIVITY THE SMOOTHED MONTHLY MEAN SUNSPOT NUMBER W*mar.= ... 133.8 --------------------------------------------------------------------------- Weekly Bulletin on Solar and Geomagnetic Activity Highlights on 26.09 - 02.10.2011, Forecast on 03 - 10.10.2011, Carrington Rotation 2115 (22,71.09.2011) SOLAR SUNSPOT ACTIVITY OF THE SUN OF THE LAST PERIOD KEPT AT THE CONFIDENT AVERAGE LEVEL. ...
... Contact A Problem of an estimation of accuracy of the asteroid CCD observations . The Minor Planet Center supported by the Interntional Astronomical Union is the main office for keeping observational data of the small Solar System bodies and their investigations. ... At Pulkovo Observatory we are estimating an accuracy of the CCD asteroid observations obtained by amateurs and professional astronomers all over the World using the MPC database. ...
... Field of research: Extragalactic astronomy. ... NASA Astrophysics Data System (ADS) Abstract Service . ... CADC Home Page . ... CCD Images of Galaxies . ... RUSSIAN LINKS . ... UA Astronomy Personal Home Page - Bill Keel . ... The Shape of the Rotation Curves of Edge-on Galaxies, by A.V.Zasov and A.V.Khoperskov, 2003. ... A Thickness of Stellar Discs, by A.V.Zasov, and D.V.Bizyaev, 2003 . Minimum Velocity Dispersion in Stable Stellar Disks, by A.V.Khoperskov, A.V.Zasov, and N.V.Tyurina, 2003 . ...
... Structure of Data . ... Catalog . ... The SAI OCL Catalog site provides several VO-enabled modes of operation: . VO-enabled catalog data analysis from a browser . ... Endpoint URL is http://ocl.sai.msu.ru/catalog/conesearch/ . ... VO-enabled catalog analysis from a browser . Presently, this recipe works with Firefox (Windows, MacOS, Linux), Internet Explorer (Windows) and Opera (Windows) browsers with Java plugin 1.6 installed. ... Main TOPCAT window with SAI OCL catalog loaded will appear. ...
. Coordinates . Charged particles flux . Ultraviolet radiation . The periods of high geomagnetic activity in 2005. 10 MeV, the data from the NOAA series satellites) . January 20-26 . May 5-20 ( data is available ) . June 16-19 . July 13-21 ( data is available ) . July 26 - August 6 . August 22 - September 3 ( data is available ) . September 7-20 ( data is available ) . Charged particles flux measured by Coronas-F satellite
... Timeline . ... 16b. Carrington, 1859 . ... While engaged in the forenoon of Thursday, September 1, in taking my customary observation of the forms and positions of the solar spots, an appearance was witnessed which I believe to be exceedingly rare. ... In this lapse of 5 minutes, the two patches of light traversed a space of about 35,000 miles. Click here for a text of Carrington's full article , including illustration.. ... Timeline Expanded timeline Glossary . ...
... World Data Center . for Solar-Terrestrial Physics . Moscow, Russia . ... Siberian Solar Radio Telescope, Institute of Solar-Terrestrial Physics, RAS SB, Irkutsk, Russia. ... Data of the Crimean Astrophysical Observatory on the ftp-server of the Solar-Terrestrial Physics Division, National Geophysical Data Center, Boulder, USA. ... World Data Centre for Solar-Terrestrial Physics, Chilton, UK. ... Solar-Terrestrial Physics Division, National Geophysical Data Center, NOAA, Boulder, USA. ...
Personal Pages of Astronomers . ... home | ... Jarle Aasland (Comet Hale-Bopp: Norwegian Images) . ... Howard C. Anderson (Astrophotography Images and Information) . ... Patrick J. Anway (Lookum Observatory) . ... Peter Armstrong (ScanCam Home Page) . ... Bill Arnett's Astronomy Page . ... Astro Nights home page ( Australia ) . ... Alex Michael Bonnici (Space Exploration) . ... Michael Boschat . ... Brendan's Astronomy Page ( Republic of Ireland ) . ... Steve's Astronomy and Astrophotography page . ...
... ИСТОРИЯ ГАИШ - хроника, музей, персоналии, мемуары, периодика . Сайт "HERITAGE - астрономия, астрономическое образование с сохранением традиций" ориентирован на студентов 1 и 2-го курсов астрономического отделения физического факультета МГУ и отражает ранением традиций" ориентирован на студентов 1 и 2-го курсов астрономического отделения физического факультета МГУ и отражает работу, проводимую сотрудниками ГАИШ МГУ и физического факультета МГУ по расширению астрономического образования студентов. ...
... Upper limits (3 sigma) to any radio flux density were established on the following dates: July 2.01 UT, < 0.585 mJy at 22.460 GHz (wavelength lambda = 1.3 cm); 3.00, < 0.900 mJy at 14.940 GHz (lambda = 2.0 cm) and < 0.189 mJy at 8.460 GHz (lambda = 3.5 cm); 8.968, < 0.291 mJy at 8.460 GHz and < 0.918 mJy at 22.460 GHz; 22.038 < 0.161 mJy at 8.460 GHz and < 0.464 mJy at 22.460 GHz; Aug. 9.00, < 0.129 mJy at 8.460 GHz; 14.837, < 0.187 mJy at 8.460 GHz and < 0.372 mJy at 4.860 GHz (lambda = 6.2 cm). ...
... 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 . ...