... 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. ...

... Russian Academy of Sciences, . Sibirian Department, Yakutsk Scientific Center . Directors: Germogen F. Krymsky, Director, corresponding member of Russian Academy of Sciences . Evgeny G. Berezhko, Deputy Director . ... The main scientific directions are physics and astrophysics of cosmic rays, physics of solar-terrestrial interactions, investigations of interplanetary and near-the-Earth space, physical processes in magnetosphere and ionosfhere of the Earth. ...

... On-line Data . ... The program enables to find out the exact present Earth coordinates of the international space station and "Shuttle". ... J-Track - this program is similar to the previous one, however it knows how to display images and orbits of space vehicles. ... NASA SkyWatch - a program for those, who are fond of watching artificial space objects through the telescope, field - glass or with the unaided eye. ... Info: Industry news On-line Data Company ATLAS news Events We in press Contact . ...

... Редуктор фокуса CCD f/3.3/Field Flattener and Variable T-Adapter . ... Редуктор фокуса устанавливается на выходе оптической системы и применяется для уменьшения эквивалентного фокуса телескопа, при этом увеличивая общую светосилу. ... Данный редуктор используется при фотосъемке для уменьшения общей экспозиции на 80%. ... Зеркальные цифровые фотоаппараты PENTAX . ... Бинокли PENTAX и зрительные трубы PENTAX . ... Pentax.ru . ... Copyright PENTAR ї2004-2016. (бинокли, цифровые фотоаппараты, телескопы)...

... Stars . ... Cepheid variable stars have been known since the 18th century. ... Regularly brightening to a peak over days, weeks or months before fading these variable stars were remarkable curiosities to astronomers in past centuries.€а The term Cepheid is taken from the star Delta Cephei in the constellation of Cepheus, which was identified as variable€а in 1784 by the teenaged prodigy John Goodricke (1764-96). ... Tweets that mention Cepheids: Inconstant Stars which break the rules | ...

... Tonight's Sky . ... The Magazine . News . Observing . ... Magazine . ... Star Atlas . ... 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 . ... variable stars . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

Общая Астрономическая Конференция > Практика > Астрономический наблюдательно-информационный портал > Новая Лебедя (?) от сети телескопов Мастер (MASTER), Блеск 10.7m.. ... Просмотр полной версии : Новая Лебедя (?) от сети телескопов Мастер (MASTER), Блеск 10.7m.. ... MASTER OT J212444.87+321738.3 - new very bright variable . 15 марта Бюро Международных Астрономических телеграмм сообщило о вспышки Новой звезды в созвездии Лебедя. ... transients discovered by MASTER</a></center> . ...

... Parent Directory - aligned_stack.tif 2010-11-22 00:52 60M nikon_1286249461_ m15 _15s_12800iso.jpg 2010-10-04 23:31 6.7M nikon_1286424958_ m15 _15s_12800iso.jpg 2010-10-07 00:16 6.6M nikon_1287111986_ m15 _15s_12800iso.jpg 2010-10-14 23:07 6.8M nikon_1288583174_ m15 _15s_12800iso.jpg 2010-10-31 23:46 6.5M nikon_1289091740_ m15 _15s_12800iso.jpg 2010-11-08 16:26 6.6M nikon_1289091795_ m15 _15s_12800iso.jpg 2010-11-08 16:26 6.6M nikon_1289179791_ ...

Cost Estimating Web Site . ... 2005 NASA Cost Analysis Symposium Databases . ... World , European Communities , Other European Countries , Americas , Asia , Africa , General US , US Federal Government , US Department of Defense , Aerospace Industry , NASA , Science & Engineering Handbooks . NASA Cost Estimating Handbook 2004 , Parametric Estimating Handbook .. ... Consumer Price Index , Employment Cost Index , GDP Deflator , Import Price Index , NASA New Start Index , Producer Price Index . ...

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... The on-line prediction procedure is based on the Newton interpolation formulae for a uniform distribution of the variable with first, second and third argument powers restrictions (Kurkin V.I. , Polekh N.M., Tchistyakova L.V. MAF operative prognosis for oblique ionosphere sounding// Issledovaniya po geomagnrtismu, aeronomii i phisike Solntsa. ... Prediction MUF calculation for the next 15 minutes; . ...

STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... Telescopes . ... Superb optical performance coupled with time proven computerized pointing and tracking has made the LX200 ACF series a best-seller in the high-performance telescope class. ... General Accessories . ... Variable Projection Tele-Extender . ... The Meade 07348 Variable Projection Tele-Extender for LX Models requires the Meade 07182 eyepiece holder and offers different focal ratios while creating eyepiece-projection photography. ...

Estimations of dome seeng by results of optics quality tests with Shack-Hartman wavefront sensor. ... Measurements on AZT-22 Telescope diameter: 1000 mm F/7.7 Effective subaperture: 37.5 mm Exposure time: 100 ms Time between exposures: 5 s Individual image with tilts in X direction AZT-22 tower The spatial spectrum evolution (top) and wind direction in measurements processes . AZT-22. ... ZTSH dome Zeiss-1000 dome The spatial spectrum evolution (up) end wind direction through time. ...

Neutron Star Group . Analytical Representations of Equations of State of Neutron Star Matter . These analytical representations are designed for older equations of state FPS and SLy4. For newer equations of state BSk19-20-21, see this http URL . ... Description of EOS subroutines . ... Alexander Potekhin ( Department of Theoretical Astrophysics of the Ioffe Institute ): palex@astro.ioffe.ru . ... Page created on April 5, 2004 , last updated on May 20, 2007 by Alexander Potekhin . ...

... 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 . ...

SAI VO . ... SAI CAS . ... Access . ... We present the results of the development of Sternberg Astronomical Institute Catalog Access Services (SAI CAS) project - the first and the only project in Russia, which provides online access to the major astronomical catalogues and different services on top of them. ... SAI CAS is an open-source implementation of the general Catalogue access service (influenced by SDSS CAS CASjobs project), based on original algorithms and open-source software. ... SAI MSU | ...

Main . ... About meteorites . ... Museum . ... Meteorite descriptions . ... Main menu . ... About laboratory . ... Museum of extraterrestial material . Meteorite collection . ... Meteorite encyclopedia . Meteorite web resources . ... The second meteorite ever found in Russia was Bragin, a pallasite. ... Initial debris of Bragin were found by the farmers of Kaporenki, a village in the estate of Bragin. ... Additional fragments of Bragin have been found frequently up to the present day. ...

... What's New? Bad Astronomy . ... News . ... The questions was: "During a flight, I saw a round rainbow shaped like a doughnut. ... However, she said that all rainbows are actually circles, and that she could not find a name for this phenomenon. ... One is that rainbows really aren't full circles. ... Basically, rainbows are due to light getting bent ("refracted") inside of raindrops. ... It's called a "glory", and is formed in a somewhat different way than rainbows. ... 2008 Phil Plait. ...

The new view on the population of Galactic open clusters A.E.Piskunov1, N.V.Kharchenko2, S.RЖser3, E.Schilbach3, R.-D.Scholz4 1 2 3 4 Institute of Astronomy, Moscow, Russia Main Astronomical ... Observatory, Kiev, Ukraine Astronomisches Rechen-Institut, Heidelberg, Germany Astrophysikalisches Institut Potsdam, Germany What are open clusters and what do they teach us Groups of Population I ... Cluster complexes: OCC-1 = Gould's Belt cluster complex? ...

... right ascension (J2000) . declination (J2000) . 5-GHz total flux density . ... Correlated flux density (Jy) vs. projected baseline length plot . ... No image is produced. A comment is given in the VLBApls paper. Other VLBI references . 2.3 and/or 8.4 GHz: VLBI images are available in the USNO Radio Reference Frame Image Database (RRFID, Fey & Charlot 2000, ApJS 128, 17) . VLBApls reference: Fomalont et al. 2000), ApJS, 131, 95-183 . VLBApls home page . ...