Stellar Clusters are very useful laboratories for empirically studying stellar evolution. ... All cluster stars are at the same distance . All cluster stars have the same physical age . ... CM diagram Young Cluster In this case we see the Main Sequence fully represented. The blue dots represent massive stars with short main sequence lifetimes. ... Thus, identifying the most massive star which is still on the main sequence is an effective means of determining the age of a stellar cluster. ...

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• Astro-2 and the UIT Experiment
• CCD Astronomy Magazine Article Page 3
• Galaxy Gallery Page II

Astrophysics Space Missions . ... Space Physics Missions . Data Centers . ... Lectures in Space Science . ... Compton Gamma Ray Observatory (GRO) . ... University of Arizona , Theoretical Astrophysics Program Return to the top of this document . ... JHU/APL AMPTE/CCE Space Science Data Center . ... National Space Science Data Center (NSSDC) . ... Astrophysics Data Facility (ADF) at NASA/Goddard Space Flight Center . ... Center for Atmospheric and Space Sciences/Utah State University (CASS/USU) . ...

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• Spacecraft Observing the Sun and the Heavens above

Общая Астрономическая Конференция > Форумы общей направленности > Любые вопросы от новичков . Celestron 70mm Travel Refractor Telescope . ... Поиск . ... Celestron AstroMaster 114 EQ . ... Созвездия (поиск и описание) .. Созвездия южного неба (поиск и описание) .. Осенние созвездия (поиск и описание) .. Летние созвездия (поиск и описание) .. Околополюсные созвездия (поиск и описание) .. Весенние созвездия (поиск и описание).. Зимние созвездия (поиск и описание) .. ...

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• Новости астрономии, форум любителей астрономии - Общая Астрономическая
• Celestron 70mm Travel Refractor Telescope [Архив] - Общая Астрономическая
• Есть перевод книги "Star Testing Astronomical Telescope - Общая Астрономическая

... Specialists from the TESIS Control Centre, at the FIAN Laboratory of Solar X-ray Astronomy, have succeeded in fixing a malfunction in one of the observatory's central telescopes, which occurred in the second half of May. ... The main version of events pointed to a malfunction in the drive mechanism's reducer, which is responsible for the rotational power from the main shaft of the motor to its output shaft, which is connected to the shutter. ... The TESIS observatory ї TESIS: www.tesis.lebedev.ru . ...

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• Project's diary
• The Russian TESIS Observatory will observe two solar eclipses from space
• The X-ray Solar Eclipse

RECREATIONAL TELESCOPES . ... ASTRONOMICAL TELESCOPES . ... Home Products Telescopes Astronomical Telescopes ASTELE™ 152MN . ... Whatever eyepiece you're using at the time is your finder eyepiece. ... 152MN is 4.4, so, unlike telescopes with much longer ?-ratios, you're able to use low magnification (27.4 X, 2.3° with the 25 mm PlЖssl eyepiece) which produces bright images and wide fields of view for those dim galaxies, nebulae, and very large star clusters, but the ASTELE? ... BK7 optical glass . ...

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• Telescopes
• ASTELE™ 203MN
• ASTELE™ 102MN

Astronomy . ... Institutions, Observatories . ... International Astronomical Union . ... Abastumani Astrophysical Observatory . Australian Astronomical Observatory . ... Byurakan Astrophysical Observatory . Hartebeesthoek Radio Astronomy Observatory . ... National Radio Astronomy Observatory . Nobeyama Radio Observatory . ... Pushchino Radio Astronomy Observatory . ... AGU journals . ... Astronomy and Astrophysics Springer . ... Astronomy Letters (ПАЖ) . ... Astrophysical Journal Letters . ...

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• Ссылки
• Student's Astronomical Observatory
• Remote telescopes

... If you have wished to reach . the Special Astrophysical Observatory of Russian Academy of Sciences , . ... SAO RAS, Nizhny Arkhyz, Karachaevo-Cherkesian Republic, 369167 Russia . ... The English text to be updated at the web-page of . ... A visit to the 6-meter optical telescope BTA, the radiotelescopes RATAN-600 of 600 m in diameter of SAO RAS and the new 32-m dish of the Institute of Applied Astronomy of RAS. ... Special Astrophysical Observatory of the Russian Academy of Sciences . ...

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• Mirror of main window SAO RAS
• Mirrow of main window SAO RAS
• IV International Astronomy Olympiad

... Alexander Gusev, Sternberg Astronomical Institute . Andrei Tokovinin, National Optical Astronomy Observatory . ... Antonia M. Varela, Instituto de Astrofisica de Canarias . ... Behnam Javanmardi, Shiraz University-Biruni Observatory . Boris Safonov, Sternberg Astronomical Institute . ... Davoud Afshari, Zanjan University . ... Florian Kerber, European Southern Observatory . Gianluca Lombardi, European Southern Observatory . ... Hiroshi Matsuo, National Astronomical Observatory of Japan . ...

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• Observatories
• Media files
• The site testing programs in Antarctica and in Arctic

... Spectrum-RG is joint project of Russian Federal Space Agency (Roscosmos) and German Space Agency (DLR) of X-ray astrophysical observatory. Its main aim is to make all-sky survey in the X-ray (0.5-11 keV) band in order to find all massive clusters of galaxies in the Universe, millions of active galactic nuclei, including obscured ones and hundreds of thousands of Galactic X-ray sources. ... eRosita (Germany) X-ray grazing-incident mirror telescope, consisting of 432 mirrors combined in 7 modules. ...

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• Spacecraft Observing the Sun and the Heavens above
• Main results of the experimental and theoretical research completed in 2010
• Wide-angle telescopes for photometry and polarimetry in optical and infrared

. MASTER supernova search . 2006 02 08.96 UT . Klick for full image .

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• http://observ.pereplet.ru/images/SN2006X/SN2006X_10feb.html
• MASTER ROBOTIC TELESCOPES NET
• MASTER GLOBAL ROBOTIC TELESCOPES NET

... 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. ...

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• SAI Open Star Clusters (SAI OCL) Catalog
• SAI OCL Catalog The Team

... Bad Astronomy . ... Mad Science . ... Site Info . ... Public Talks . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Who is this guy who calls himself "The Bad Astronomer?" ... First, yes, I am a real live astronomer (when people ask me what astronomers do, I tell them "They astronom !" ... These are emitted by powerful objects like black holes, exploding stars, and super-dense neutrons stars. ... Finally, am I really a bad astronomer? ... 2008 Phil Plait. ...

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• Phil Plait's Bad Astronomy: Bitesize Astronomy
• Phil Plait's Bad Astronomy: Misconceptions
• Phil Plait's Bad Astronomy: Sky and Telescope Magazine

... Освоение космоса (Модератор: Chepurny ) > . E-ELT (European Extremely Large Telescope) . ... Благодарностей: 0 . ... 13 Май 2010, 12:14:53 ? Европейский чрезвычайно большой телескоп" (European Extremely Large Telescope - E-ELT) будет построен в горах пустыни Атакама, объявила на днях Европейская южная обсерватория. ... Ответ #1 : 13 Май 2010, 12:29:34 ? ... Цитата: ds40a от 13 Май 2010, 12:29:34 Field of view: 10 arcminute diameter . ... Цитата: ds40a от 13 Май 2010, 13:28:02 И я о том-же. ...

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• Porter Garden Telescope - Астрономия и общество
• Telescope Color CCTV Camera W/Eyepiece Mount - Оборудование
• WorldWide Telescope (программа) - Астрософт

... SAI CAS . ... Catalog Access Services . ... This site is about the Virtual Observatory project at the Sternberg Astronomical Institute, Moscow University ( SAI MSU ). We provide a public access to the growing set of astronomical services developed by the SAI RVO development team in accordance with the Virtual Observatory standards. ... We provide access (programmatic and interactive) to the all major and biggest astronomical catalogs (about 4 billions objects total) as well as other web-services. ...

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• volinks [SAI Virtual Observatory - Wiki]
• Digitized Sky Survey - SAI Mirror

. 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 .

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• Astronomy