Optical Observatories . ... National Optical Astronomy Observatories . ... Adam Mickiewicz University - Astronomical Observatory . ... Astronomical Institute and National Observatory of Athens . ... Jagiellonian University Astronomical Observatory - Scientific research here comprises radio and extragalactic astronomy, solar radio emission, active galactic nuclei, interstellar matter, galaxies, cosmology, variable stars and comets. ... National Radio Astronomy Observatory Home Page . ...

... X-ray sources in galaxies: active nuclei, primodal black holes or microquasars . The last findings in observations of point-like X-ray sources in galaxies are reported. ... A new class of objects has been discovered - the Ultraluminous X-ray (ULX) sources, which could be as black holes of intermediate mass (100-1000 suns), being captured by galaxies and spiralling in because of dynamical friction, or microquasars (SS433-like stars), being orientated "face-on". ...

... E-Mail: nnat@gao.spb.ru, vrylk1145@yandex.ru The Pulkovo Catalogue of Reference Stars for Observations of Galactic Radio Sources (Pul GRS) N.V.Narizhnaya, V.P.Ryl'kov Pulkovo observatory of RuAS, Russia, 196140, Saint-Petersburg, Pulkovsoe sh., ... GRS ICRS. 78 (Pul GRS) ­10° 1994-1999 (33/346). ... The Pulkovo Catalogue of Reference Stars for Observations of Galactic Radio Sources (Pul GRS) N.V.Narizhnaya, V.P.Ryl'kov Pulkovo observatory of RuAN, Russia, 196140, Saint-Petersburg, Pulkovsoe sh., ...

... Astronomy news . ... NASA's Spitzer Images Out-of-This-World Galaxy . ... It is spiral-shaped like our Milky Way, with long, spindly arms of stars. The "eye" at the center of the galaxy is actually a monstrous black hole surrounded by a ring of stars. In this color-coded infrared view from Spitzer, the area around the invisible black hole is blue and the ring of stars, white. ... The ring around the black hole is bursting with new star formation. ...

... Bad Astronomy . ... Bitesize Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Sometimes whole galaxies can be hidden away from us, yet so close we could practically stub our toes on them. ... Now look around: you can clearly see people a few meters away, fuzzily see them 10 meters away, and only barely see them 50 meters away. ... We have detectors that can see colors of light our eyes cannot, like ultraviolet, infrared (also known as IR) and radio waves. ...

... Sternberg Astronomical Institute , Moscow University . ... Present edition unites two parts of Catalogue of interacting galaxies by B.A.Vorontsov-Velyaminov: the first part (Part 1) containing 355 systems was published in 1959 [1] and the second one (Part 2) with 497 objects - in 1976 [2].Thus two published parts of Catalogue include 852 interacting systems. ... All new of them (1162 by number) were taken from the comments to the galaxies in Morphological catalogue by Vorontsov-Velyaminov et al.[ ...

... Observatory has four telescopes: . ... Zeiss-300 (D=300mm F=4500mm), visual . AVR-1 (D=200mm F=3000mm), visual . ... AZT-7 (D=200mm F=900mm), photometer . ... Zhujko Sergey V. Burlak Alexander N. Volod'ko Dmitry G. Pakhomov Yuriy V. Objects of research: . ... Variable stars . ... Moon . Covers stars by Moon . Field of research: . ... Questions and comments please mail to pakhomov@sai.msu.su . Yury V. Pakhomov . pakhomov@sai.msu.su . ...

Amalthea . Jupiter V . Amalthea [am-al-THEE-uh] is one of Jupiter's smaller moons. ... It was also the first moon of Jupiter to be discovered since Galileo's discovery of the four Galilean Moons in 1610. Amalthea is extremely irregular, having dimensions of about 270x165x150 kilometers in diameter. ... Discovered by . ... Topographic Map of Amalthea . ... As with all maps, it is the cartographer's interpretation; not all features are necessarily certain given the limited data available. ...

Winer Observatory P.O. Box 797, Sonoita, Arizona 85637-0797, USA . ... 2/3-m Telescope . ... Science . ... Winer . ... Contact Us . ... The Ohio State University uses the KELT telescope to survey the sky photometrically for extrasolar planets. ... Ohio State also uses a 20-inch Meade telescope called DEMONEX telescope to verify exoplanet candidates identified by surveys such as KELT. ... For more information, visit www.tenagraobservatories.com or to see the invidual discovery images, click here . ...

... Subject and Problems of Stellar Astronomy. ... Plane of Galaxy, Methods of Its Location Determination. ... Stars Distances. ... Other Methods of Stars Distances Determination. ... Tangential Velocities, Their Determination by Self-Motions. ... Determination of Solar Apex and Spatial Velocity by Radial and Spatial Velocities of Stars. ... Features of Orientation and Parameters of Peculiar Stellar Velocities Ellipsoid. ... General and Selective Light Absorption in Galaxy. ... Darc Clouds in Galaxy. ...

Class 1 Introduction, Background History of Modern Astronomy The Night Sky, Eclipses and the Seasons Kepler's Laws Newtonian Gravity General Relativity Matter and Light Telescopes Class 2 Solar System Characteristics Formation Exosolar Planets Class 3 Stars The Sun Stellar Evolution of Low and High Mass Stars Deaths of Stars Exotic Stars Class 4 Galaxies Galaxy Classification Formation of Galaxies Galactic Evolution ... So far, one planet has been studied by this method. ...

. V L B I L a b o r a t o r y .

P.N. Lebedev Physical Institute Astro Space Center Russian Academy of Sciences S.A. Lavochkin Association, Roscosmos RADIOASTRON The Ground ­ Space Interferometer: radio telescope much larger than the Earth The Spectr-R Project http://www.asc.rssi.ru/ radioastron / High- Resolution HI 21 cm Mosaic of M 33 galaxy GENERAL OUTLINE The RadioAstron ... Such forecast could be used to prepare a long time-scale schedule of scientific observations. ...

... We have compiled the Catalogue of extragalactic supernovae using the GCVS card catalogue. ... Doubtful (?), or rejected (-) SN 8 A1 --- RemFlag [*] The '*' indicates a remark in sn_rem.dat 10- 19 A10 --- Gal Parent galaxy designation 21- 22 I2 h RAh Right Ascension 1950 of Parent galaxy 23- 24 I2 min RAm Right Ascension 1950 (minutes) 25- 28 F4.1 s RAs Right Ascension 1950 (seconds) 29 A1 --- DE- Declination 1950 (sign) 30- 31 I2 deg DEd Declination 1950 of Parent ...

... 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. ...

... Solar Data: f.e. X-ray . Night Sky Live . ... Heavens-Above: Sky chart, Satellites, Iridiums and astronomical objects For Moscow For SAO Baksan . ... ESO-MIDAS page . ... Tutorials for Astronomy . ... Asteroid and Comet Hazard . ... Observable Comets: This page lists links to orbital elements and ephemerides of (potentially) observable comets. ... Leonid page - a lot of information for years Comets and Meteor Showers . The American Meteor Society . ... North American Meteor Network Home Page . ...

. The XMM-Newton website has moved to the following location: . http://www.cosmos.esa.int/web/xmm-newton

ADC CATALOG HOLDINGS SHORT TITLE LIST March 29, 2002 (adapted from ftp://adc.gsfc.nasa.gov/pub/adc/archives/catalogs/key) Category 1: Astrometric and Positional Data - March 29, 2002 1090 Positions of 502 Stars in Pleiades Region (Eichhorn+ 1970) 1107A Washington Cat Visual Double Stars 1984.0 (Worley, Douglass 1984) 1131A SAO Star ...

Text of these problems is available also in other languages : . ... What can one see in the Moon's sky more often - the Sun or the Earth? ... There are about of 250 millions of stars in the elliptical galaxy M32 (a satellite of Andromeda galaxy). ... The masses of Capella's components. ... You are proposed to estimate the masses of Capella's components, using our observational data. ... A galaxy's mass. ... Estimate the mass of FGC 1908 and compare it to the mass of our galaxy. ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil Mati†иre noire : une observation d†йfie les astronomes . ... A la une . ... En effet, selon les mod†иles th†йoriques, les concentrations de mati†иre noire sont les lieux o†µ naissent les galaxies. ... Une mati†иre noire au comportement ordinaire ? ... Etat du ciel . ...