... Donate to Support Science Literacy . ... 2016 Annual Awards . The ASP is accepting nominations for the organizationтАЩs national annual awards which recognize special achievements in astronomy research, technology, education, and public outreach. ... Shop the AstroShop . ... The Astronomical Society of the Pacific (ASP) is accepting nominations for the organizationтАЩs national annual awards which recognize special achievements in astronomy research, technology, education, and public outreach.. ...

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) . ...

... Paranal and La Silla general information and long term statistics of various parameters relevant for observational astronomy. on meteorology, telescope environment, atmospheric turbulence, and related topics (includes links to some other sites) . ... Databases for the Characterization of Astronomical Observatories Workshop La Laguna, Tenerife, Canary Islands, Spain; 22-23 June 2015 . ... Astroclimatology of Chajnantor . ... Photometry: Night Sky Quality at Mauna Kea , Cerro Pachon , CTIO and IAC . ...

Twilight observations with MASS/DIMM B. Safonov Sternberg Astronomical Institute Moscow State University Comprehensive Characterization of Astronomical Sites, 2010 B. Safonov (Moscow State University) Twilight observations with MASS/DIMM SITE 2010 1 / 17 Why observe in twilight with MASS/DIMM? ... ASM includes 3 devices sensitive to background: guider, DIMM and MASS. B. Safonov (Moscow State University) Twilight observations with MASS/DIMM SITE 2010 2 / 17 Background in guider. ...

... Астрономическая неделя с 11 по 17 апреля 2016 года . ... Александр Козловский . ... День открытых дверей на Пущинской РадиоАстрономической Обсерватории 09 апреля 2016 года . ... Полное солнечное затмение 9 марта 2016 года . ... Полное лунное затмение 28 сентября 2015 года . ... Затмение, которое произойдет 28 сентября 2015 года, является повторением через сарос (цикл повторений затмений равный 6585 дней или 18 лет 11 дней) полного лунного затмения от 16 сентября 1997 года с максимальной фазой 1,20.....

. 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.

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Parkes radio telescope . ... Information & tools for observers . ... Infrared and Sub-millimetre Observing Conditions on the Antarctic Plateau . ... The Antarctic plateau provides the best terrestrial sites for infrared and sub-millimetre astronomy. ... Finding a location where aerosol levels are minimised is a key constraint in determining the optimum site on the Antarctic plateau for an infrared observatory. ...

Subject, Problems and Objects of Theoretical Astrophysics. ... Stellar Photospheres, Their Features. ... Physics of Continuous Radiation Absorption in Stellar Photospheres. ... Continuous Radiation Absorption in Stellar Photospheres of Various Spectral Classes. Solar Type Photospheres. ... Characterisics of Absorption Lines. ... Interstellar Absorption Lines, Their Features. ... Physical and Dynamic Features of Interstellar Medium, Which Follows from Observations of Interstellar Absorption Lines. ...

... Name : Alexey Starobinsky . ... Title :   RELATIVISTIC UNCLUSTERED DARK MATTER AND DARK ENERGY . Abstract : Recent observational data on supernovae at large redshifts, small-scal anisotropy of the cosmic microwave background (CMB) temperature and the powe spectrum of present density inhomogeneities in the Universe, as well a numerous previous arguments, prove the existence of a new type of dark matter in the Universe. ...

... В четверг, 14 апреля 2016 г., состоится семинар кафедры астрофизики. Повестка дня . ... Начало в 11 час.15 мин. Ауд. ... В четверг, 31 марта 2016 г., состоится семинар кафедры астрофизики . ... В четверг, 24 марта 2016 г. , состоится семинар кафедры. ... В четверг, 17 марта 2016 г. , состоится заседание кафедры. ... ОСП НИИ ПММ Национального исследовательского Томского государственного университета) . ... Copyright 2016 Астрономия в Санкт-Петербургском университете . ...

... The FOC suffers from various types of background, the most important of which are thermal electrons, Cerenkov radiation from high energy particles, geocoronal emission lines, zodiacal light, and light scattered within HST from the bright Earth or Moon. ... From on-orbit measurements using the f /96 camera, the former background has been found to vary with solar zenith distance (ZD); see Sections 6.4, 6.5, and 7.0 of the FOC Instrument Handbook , version 7.0, for more details. ...

... Because the DMR instrument is differential and every pixel is multiply sampled, sky maps are produced by solving a coupled system of linear equations (the normal equations) to minimize a chi-squared. ... This is reflected in the algebraic form of the normal equations matrix, so that, if one were to diagonalize the matrix, one would find a single eigenvector whose eigenvalue was identically zero, and the associated eigenvector, viewed as a sky map, would have a constant value. ...

... Bad Astronomy . ... I think I will break from my usual format of Bad Astronomy/ Good Astronomy by saying that the way we define seasons currently is not strictly bad, but I feel (in my opinion!) that it could be better. The definition of when the seasons begin is at the moment of solstice or equinox; that is, winter (in the north) starts on December 22 nd and summer starts on June 22 nd . ... Now imagine breaking up the Sun's 46 degree up-and-down yearly swing into 1 day intervals. ...

. Chairs . Teachers . Postgraduate Students . Undergraduate Students . Courses . Head: A.M.Cherepaschuk . Vice-Head: A.C.Rastorguev . Webmaster: Yuri V. Pakhomov . pakhomov@sai.msu.su

... This is possible at modest cost due to the low moments of inertia of the telescope and enclosure. ... This same performance will be achieved in higher winds when the telescope enclosure is facing away from the wind, or by using wind screens. ... The telescope system (MILT) will be remotely operable with an on-site operator's assistance by an astronomer located at one of the ARC member institutions. ... Mean Wind Speed . ... Offsets > 10 deg: 1 arc sec rms max . ... 5 sec max, tracking to tracking . ...

... Facilities Reply to NSF-AST (May 10, 2005) . ... NSF-AST Senior Review Update (July 5, 2005) . ... NSF-AST Senior Review Report (Nov. ... The NSF-AST Senior Review (NSF web site) . NAIC Implementation of the NSF-AST Senior Review Recommendations (Nov. ... The Consequences of the NSF-AST Senior Review on the Arecibo Planetary Radar (Nov. ... Top 10 reasons to support the Arecibo Observatory (Dec. ... AAS Statement on the NSF's Division of Astronomical Sciences Senior Review Report (Nov. ...

... The Chilled 3-chip Color CCD Camera C5810 was developed to provide real color imaging in low light level conditions. This camera incorporates 3 CCD chips coupled to a trichromatic beam splitter that reproduces real colors at all microscope intensities. ... Peltier elements are used to cool the CCDs to reduce thermal noise to minimal levels while fixed pattern noise such as illumination shading and any remaining thermal noise can be removed with the built-in image subtraction feature. ...

This page provides explanatory text for the dials shown on the Rice Current Solar Wind Conditions and Current Solar Wind Conditions (Dials Only) webpage. These dials use the last good received set of measurements from the Real Time Solar Wind package on the Advanced Composition Explorer (ACE) spacecraft. ... Measured) This quantity is the number of solar wind protons per unit volume as measured by the ACE Solar Wind Electron Proton Alpha Monitor (SWEPAM) . ... It is measured by ACE/SWEPAM. ...

Automatic Detection of NEOs in CCD Frames . ... CCD frames obtained with modern telescopes with robotic operation allow carrying out standard observation programs for detection of peculiar objects on stellar backgrounds, as is the case of Near Earth Objects (NEOs). ... In this paper, we present original algorithms for automatically detecting dim NEO images in telescope frames, considering both sidereal and differential tracking [2]. ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Octet-gram of cloud cover. Blue is for clear while white is for cloud. e.g. the "cake" on the left is 0% cloud while the one on the right is 100% cloud. ... From left to right: 2.5". In short, the smaller/bluer, the better the seeing condition is. Atmospheric transparency. From left to right: 1 (unit: mag per air mass). ... Atmospheric instability. ... The Sky Last Night at Armagh . ...