... The experience of determination of the link between radio sources and dynamical reference frames is presented. To obtain this connection we used a series of very long baseline interferometry (VLBI) observations of the spacecraft Phobos-2 and angularly nearby quasars. ... The dynamical reference frame is determined by equator and equinox of these ephemerides. ... References . ... The relative orientation of the radio and dynamical reference frames can be described by a sequence of three rotations . ...

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• Astrophysics Group MRAO Telescopes
• Monitoring of variable sources at 15 GHz
• Astrophysics Group VSA

... 2013: . Evidence for the connection between turbulent gas motions and star formation in dwarf galaxies . ... Moiseev A.V. "Ionized gas rotation curves in nearby dwarf galaxies", Astrophysical Bulletin, 2014, Volume 69, Issue 1 . Moiseev A.V., Tikhonov A.V., Klypin A.A. "What controls the ionized gas turbulent motions in dwarf galaxies", submitted to MNRAS . ... Determination of the mass of a supermassive black hole in AGN Mkn6 based on spectro-polarimetric observations . ... Archive . ...

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• Small telescopes short description
• Telescopes
• The Present and Future of Small and Medium Size Telescopes

... Размещена статья "Новая карта рельефа Марса" . ... К середине 60-х годов прошлого века многотрудные усилия астрономической общественности нашей страны (в то время Советского Союза) увенчались созданием научно-популярного журнала "Земля и Вселенная", ныне являющегося журналом Президиума РАН. ... Все это в известной степени находило отражение на страницах "Земли и Вселенной" - журнала, пропагандирующего достижения отечественной и мировой науки в области астрономии, космонавтики и комплекса наук о...

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... Iowa Robotic Telescope | ... Talon is based on OCAAS, a software suite developed by software engineer Elwood Downey ( Clear Sky Institute ) for use at the University of Iowa ?s first remote facility (the ATF, or Automated Telescope Facility). ... XObservatory : Telescope Control Interface . ... This program calls upon and coordinates much of the interrelated portions of the Talon architecture, and forms the primary control panel for the telescope, dome, and peripheral systems when used locally. ...

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... Use of This Manual . ... Spectral-Line Observing at Arecibo (3.25 Mbyte) + Spectral line Appendices (0.56 Mbyte) ( HTML page ) . ... Data Analysis . ... Continuum Observing at Arecibo (0.36 Mbyte) + Continuum Appendices (0.31 Mbyte) . ... Pulsar Observations at Arecibo (4.03 Mbyte) + Pulsar Appendices (0.70 Mbyte) ( HTML page ) . ... VLBI Observing at Arecibo (0.36 Mbyte) + VLBI Appendices (0.35 Mbyte) . ... Introduction to Computing at Arecibo (0.33 Mbyte) + Computing Appendices (0.32 Mbyte) . ...

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• Frontiers of Astronomy with the World's Largest Radio Telescope Frontiers of
• Grav_lens
• Frontiers of Astronomy with the World's Largest Radio Telescope

Astronotes Armagh Planetarium's Stellar Blog! ... Solar System . ... Space Flight . ... This is a recent (November 2011) NASA diagram summing up the past, present and future (plus a might have been) of US rocketry. €аThe rockets are arranged from left to right in order of size. ... It is towards the larger end we find the most familiar vehicles in the shapes of the Shuttle (NASA?s recently retired Space Transportation System ) and Saturn 5 (still the most capable US launch vehicle to actually fly). ...

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• Christmas Day in Space | Astronotes
• Hubble Space Telescope sees into Omega Centauri's future | Astronotes
• Astronotes | Armagh Planetarium's astronomy news from across the Universe -

... A song written by Padi Boyd and performed by The Chromatics, specifically for the International Year of Astronomy. ... Some links from press coverage and other websites referencing IYA2009-Ireland. ... The Faulkes Telescopes Universe Challenge will be launched today (Thursday, 8 January) at the BT Young Scientist and Technology Exhibition in the RDS, as part of the Irish celebrations of the International Year of Astronomy 2009. ... International Year of Astronomy, Ireland National Node . ...

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• Southern African Large Telescope (SALT)
• The Irish Times Reports: Midnight takes us into year to mark the telescope |
• Observations with the Faulkes Telescope North

... He made observations of a supernova (literally: nova= "new star") in 1572 (we now know that a supernova is an exploding star, not a new star). ... Brahe's meticulous observations showed that the supernova did not change positions with respect to the other stars (no parallax). ... This was early evidence against the immutable nature of the heavens, although Brahe did not interpret the absence of parallax for stars correctly, as we discuss below. Brahe made careful observations of a comet in 1577. ...

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• http://zebu.uoregon.edu/tandf/toc.html
• Galaxy Gallery Page II

EPM-ERA2012 Lunar Ephemeris and selenodynamical parameters from LLR data(1970-2012) M.V. Vasilyev, E.I.Yagudina IAA RAS, St-Petersburg, Russia Reflector at the Moon The reflector 's positions at the Moon surface 3.5 m telescope at Apache station INTRODUCTION MODERN EPHEMERIDES: 1. ... IAA RAS, Russia-EPM-ERA2012 The present analysis of (17580) LLR observations, (time interval 1970, March - 2012, February) Model ( brief description). The dynamical model EPM-ERA has been developed by G.A. Krasinsky. ...

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• http://www.ipa.nw.ru/conference/wpltn2012/docs/24/1520%20optical_communication%20wpltn2012.pdf
• http://www.ipa.nw.ru/conference/wpltn2012/docs/25/1300%20ignatenko.pdf
• http://www.ipa.nw.ru/conference/2002/sovet/PS/YAGUDINA.PS

... Bad Astronomy . ... Bulletin Board . ... Mad Science . ... Pointing telescopes on Earth is pretty hard. ... Since we know that an object will stay the way it's set up unless acted upon by an outside force, the Hubble Space Telescope (HST) tends to stay pointed pretty much in the same place once it's on target. ... Telescope stability: Hubble is the most precisely pointed machine ever devised for astronomy. ... 2008 Phil Plait. ... Talk about Bad Astronomy on the BA Bulletin Board! ...

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• Phil Plait's Bad Astronomy: Info
• Phil Plait's Bad Astronomy: Misconceptions
• Phil Plait's Bad Astronomy: Bitesize Astronomy

Next: Data reduction Up: Spectral observations and data Previous: Observations with the KPNO . Follow-up spectroscopy with this telescope was conducted as a back-up for a main program which needed photometric conditions. So, the observations presented here were obtained in non-photometric conditions and the absolute flux calibration of the data is unreliable. The Cassegrain focal reducer CAFOS of the 2.2m telescope was used with a long slit of 300 3 and a grism of 187 ? ...

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• A 20 cm VLA survey of Abell clusters of galaxies
• The RATAN SNRs Survey
• Область Telescope.

... The HST uses an onboard model of its orbit to perform in real-time various control functions relating to spacecraft operations and observation support. ... New coefficients for the ephemeris are updated every other day, and are archived as FITS keywords for each HST observation data set. Using these coefficients,an observer can perform a variety of calibration and characterization calculations relating to the orbital position and velocity of the telescope. ...

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• Constructing and Reducing Sets of HST Observations Using Accurate Spacecraft
• Enhanced HST Pointing and Calibration Accuracy: Generating HST Jitter Files at
• Preface

... Space flight . ... Space Hotel . ... The program of deployment of small orbital station (SOS) consisting of a family of spacecrafts and module-spacecrafts represents a consecutive realization of flight scenarios with consecutive building up of functions. ... Scenario 1 - the regular and revised spacecrafts of class "Soyuz" - TMSC and MNMSC (MNMSC-cargo, MNMSC-MR) are used, pls. see fig fig.8 . ... The terms of transition to this scenario are determined by terms of readiness of one or another module....

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Contents. planet: 5 - Jupiter satellites: J1 - Io : 38, J2 - Europa : 55, J3 - Ganymede : 51, J4 - Callisto : 52 total number: 196 type: relative dates: 1984-1986 observatory: 84 - Pulkovo 129 - Ordubad Reference. Bobylev V.V., Dementieva A.A. (1991) Observations of Jupiter's Galilean Satellites at the Ordubad Station of the Pulkovo observatory in 1984-1986. ... JD of the moment of observation 3. ... X, arcsec 7. ... Number of the telescope (N tel): 1 - P26, 2 - LPT. ...

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• jo1001
• jo0006
• Maidanak Lab page

... Fit the ring around the equator and then change its inclination from 0 degrees (equatorial orbit used by geosynchronous satellites) to 28.5 degrees (space shuttle orbit) to 51.6 degrees (space station orbit) to 90 degrees (polar orbit used by spy satellites). by Rob Landis, Space Telescope Science Institute . ... With so many satellites now in orbit, it is likely that you have seen an artificial satellite zipping across the night sky. ... http://www.amsat.org/amsat/ftpsoft.html . ...

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• ASP: Lagrangian Point or Bust!
• ASP: The New and Improved Hubble Space Telescope
• ASP: A Taste of Real Astronomy ? The ESA/ESO Astronomy Exercises

Microsymposium 38, MS083, 2003 (A4 format) MERCURY: LOCAL VARIATIONS OF THE PHOTOMETRIC RELIEF. ... Because of trajectory and pointing angle constraints the planet could be observed from Mariner 10 only over a small range of phase angles between about 75o and 110o. Therefore the photometric investigations are restricted to measuring the distribution of brightness on the Mercurian disk. ... Raw versions of real-time processing pictures FDS 0000984 and FDS 0000986 were used (images 196 and 202). ...

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• http://selena.sai.msu.ru/Pug/Publications/m44_70_pugacheva.pdf
• http://selena.sai.msu.ru/Chik/Publications/Aitken/MS015.pdf
• http://selena.sai.msu.ru/Greg/Publications/ms38/ms090.pdf

... Clubs . ... PUBLIC Telescopic observing is conducted at the Wheaton College Observatory every clear Friday (call for times) when college is in session. ... The College has a 12.5 " Newtonian/cassegrain telescope. ... For more information see the North Shore Amateur Astronomy Club page. ... For more information see the North Shore Amateur Astronomy Club page and the college's page . ... Aldrich Astronomical Society Paxton, MA . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

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• Venus 2004 transit photo collection

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) . ...

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• APOD: 2001 October 12 - Space Station and Space Shuttle: Backyard View
• INTERNATIONAL SYMPOSIUM"ASTRONOMY - 2005: CURRENT STATE AND PROSPECTS"
• Light Curve Templete/Observing Form For Visual SNe Observers.

. 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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• The Canadian S2 Correlator - Principles of Radio Interferometry

... Astronomy search engine . ... PhysicsWeb Home Page . ... Sternberg Astronomical Institute . ... Astro Space Center Home Page . ... Landau Institute for Theoretical Physics . ... Astronomy and Space Physics Dept of Kiev University . ... NATIONAL RADIO ASTRONOMY OBSERVATORY Home Page . University of Hawaii - Institute for Astronomy . ... Space Telescope Science Institute Home Page . ... Sky & Telescope: The Essential Magazine of Astronomy . ... Springer LINK - Physics Online Library . ... Home . ...

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• Ключевое слово ?James Webb Space Telescope?