Here user should specify the origin of coordinate system (observer's position). In case of rectangular coordinates it can be center of any major planet or the Sun or any minor planet. ... For spherical coordinates the origin of coordinate system can coincide only with the center of the Earth or with any point on the Earth surface. ... a)by code of observatory in the list of observatories maintained by Minor Planet Center (see IX. Observatories ). b)by introducing name of observatory. ...

A - Astronomy and Astrophysics . A - Astronomy and Astrophysics Supplement . AJ - Astronomical Journal . ApJ - Astrophysical Journal . ... BAAS - Bulletin American Astronomical Society . CDS IB - CDS Information Bulletin . ... Icar - Icarus, International Journal of Solar System. ... JAD - J. Astronomical Data . ... Royal Astronomical Society . ... PASA - Publications Astronomical Society Australy . PASP - Publications Astronomical Society Pacific . ... E-Mail: marsakov@ip.rsu.ru ...

... 237S (SIMBAD/NED BibCode) ================================================================================ Keywords: Sun: UV radiation - atmospheric effects - Sun: atmosphere - lines: identification Description: An ultraviolet atlas of the solar spectrum with a spectral resolution of 15mA in the region 1948-2000A is presented. ... The wavelength atlas with a list of about 550 lines has been synthesized from data at center of the Sun ({mu}=1) and at {mu}=0.89, smoothed out over an area of 30 arcsec. ...

... The following charts/text are intended as tools for monitoring the Type Ia supernovae ( SNe ) event visually or photographically (utilizing telescope equipped CCD equipment).The files include: A replication of The Type Ia SNe , V- magnitude (with data point checks from other cited references)and color index (B-V) templete (to indicate a general color-related trend of the type Ia ... I believe this might help alleviate some of the problems involving the making of acceptable amateur light curves...

... Информация Руководство и преподаватели Печенин Вадим Андреевич . ... Публикации . ... Печенин В.А. , Рузанов Н.В. , Болотов М.А. , Янюкина М.В. Optimization of measurements of the geometry of parts with complex surfaces // Measurement Techniques. 2015. ... 2014. ... Печенин В.А. , Болотов М.А. , Рузанов Н.В. , Степанова Е.Р. Сравнительное исследование алгоритмов измерения геометрии сложных профилей лопаток компрессора газотурбинного двигателя // Вестник СГАУ. 2015. том 14, ?3, ч.2. ...

... ADS Abstracts Service and Moscow mirror . ... The Astrophysical Journal . The Astronomical Journal . Astronomy Astrophysics . ... Data . ... Astronomy: Databases, Images and Surveys . ... Canadian Astronomy Data Centre . ... NASA/IPAC Extragalactic Database (NED) . ... Multiwavelength Atlas of Galaxies . ... Digital Images of 113 Nearby galaxies . ... NCSA Astronomy Digital Image Library . WFPC2 Images of the Early-Type Galaxies . SDSS images of Galaxies . ... IDL . ... IDL FAQ . ...

... изданиями Американского астрономического общества публикуем краткие выдержки из электронного бюллетеня Объявления N 35 за январь 1997 года и издания JOB REGISTER ... From: Judy Johnson Date: Wed, 8 Jan 97 16:42:57 EST ______________________________________________________ AAS Electronic Notification Service - Announcement #35 1/97 [Mailed from aas.org at 4:55PM 8 JAN 1997] ______________________________________________________ 3. ... New Jobs This Month No. ...

... Publications . ... NASA ADS . The Astronomical Journal . The Astrophysical Journal . ... ASP CONFERENCE SERIES e-Book Access Site . ArXiv e-prints . Yong Stars - Publications . ... Crimean Astrophysical Observatory (Ukraine) . Campo Imperatore Observatory(Italy) . Central Astronomical Observatory at Pulkovo (Russia) . Spesial Astrophysical Observatory (Russia) . ...

... We selected 11 PC's at the Institute and try to provide them with the access to resources earlier reachable only from Mercury , Ursa . ... Some access to A and A as well as other Springer and IOP journals is now available via the Sci.Dig.Lib. of the RFBR. ... During 2001 we lost access to recent issues of Astron. ... An information about our access to electronic journals is now available in Russian as a ( TeX file ). ... Access to more issues of the journals of Kluwer , Elsevier , etc appeared. ...

Home . ... Observing . Exposure Time Calculator (ETC) . Survey processing . ... ESO - Public Surveys . near IR surveys . ... Exposure Time Calculator . ... Survey Area Definition Tool . Recommended values for Detector Integration Time (DIT) . ... Detector Properties . ... Filter properties . ... ESO ][ VISTA Home ] ...

... Find the three stars of his belt and follow the line they make up the sky and you will meet Aldebaran, the brightest star in Orion?s neighbour, Taurus the Bull . ... A K5 III red giant about 350 times as luminous as our Sun, it appears as a red-orange magnitude 0.9 object in our sky. ... The name Aldebaran is derived from the Arabic for тАШthe FollowerтАЩ as the ancient Muslim astronomers saw it as trailing behind the Pleiades star cluster across the sky. ... Posted April 2, 2014 at 8:03 PM . ...

Mercury - is the nearest to the Sun. Ellusive planet. ... They had several names for this star: Set and Gor (ant. ... The same surface spot with many craters, some of which has the systems of light beams only dark spots, like the Moon seas were considerably less. ... Further was the period of intensive bombing Mercury by the remains of before planet’s swarm (planetozimalies), when the ponds were founded for example Colories (diameter - 1300km) as well as craters like Copernic crater in the Moon. ...

... Сегодня: 10 апреля 2016 г. Космический корабль, который работает на солнечной энергии, вскоре может начать свой полет по Солнечной системе. Группа американских и российских ученых готовится запустить зонд с гигантскими пластиковыми "парусами", которые могут ловить солнечный свет подобно тому, как паруса яхт ловят ветер, пишет The Observer (перевод на сайте Inopressa.ru). ... The Observer: российские и американские ученые создали космическую яхту с парусами из солнечных батарей . ...

... ARTICLE: The Adventurous Search For The Astronomical Unit . ... Kepler himself had suggested to use the rare occasions of Venus transiting (crossing) the solar disk to measure our distance to the planet. ... Due to the orbital inclination of Venus against the ecliptic of 3.5°, a Venus transit is so rare that it happens only at intervals of 121.5 years, 8 years, 105.5 years, 8 years and so on. ... Crabtree witnessing the transit of Venus 1639 . ... Transits of Venus - The Quest for the Solar Parallax...

... Radio Astronomy . ... ASRAS Board Members . ... To see the most up to date news and events happening with ASRAS log in with your user name and password and then click on the Activities page. ... Messier Marathon (Member Observing) CANCELLED Saturday, April 9, 2016 9:00 PM Location:Farash Center Ionia NY . ... ASRAS Members meeting - Friday May 6 at Farash Center - Ionia NY . ... ASRAS Board members meeting - monday May 9 @ Farash Center Monday, May 9, 2016 7:00 PM Location:Farash Center Ionia NY . ...

... Gladysz, S., Redfern, M., & Jones, B. W. 2003, in ASP Conf. ... We present the results of comparison between characteristics of highly atypical shadow bands recorded during total solar eclipse of 4 December 2002 in Botswana and theory of Codona. ... application of a FFT algorithm to a single image in order to find the shape of power spectral density function, psd(k), defined by Kay and Marple (1981), as predicted by Codona, and search for shadow bands' characteristic spatial frequencies. ...

... Moore Observatory is a research and advanced teaching facility of the University of Louisville. ... The 24-inch Ritchie Chretien (RC24) telescope is a research instrument used by faculty and graduate students involved in studies of exoplanets, optical properties of the atmosphere, and the development of imaging and spectroscopic technology. ... Kent (CDK20S) are collaboratively operated by the University of Louisville and the University of Southern Queensland for both research and education. ...

Statistics of sunspot activity . The sunspot indices . ... Visual indices of solar activity . ... n - number of spot groups . A - Waldmeier class of unipolar spot groups without penumbra . B - class of bipolar spot groups without penumbra . C - class of bipolar spot groups with one penumbra pole . D - class of small bipolar spot groups with two penumbra poles . E - class of middle bipolar spot groups with two penumbra poles . ... H - class of unipolar penumbrated spot groups . ...

... General astronomy . ... PHYSICAL CONSTANTS.. ... Nobel Laureates in Physics 1901-2002 . ... Lectures Astronomy-161 "Solar System" (Also it contains info about History of Astronomy) . ... The History of Science . ... College-Level Astronomy Courses - at American, Australian Universities and Colleges . ... Messier: . ... Science . ... Scientific American . ... JOURNAL OF COMPUTATIONAL PHYSICS . ... Scientific Journals . ... American Physical Society Journals: Physical Review, Review of Modern Physics ...

Journal of Atmospheric and Solar-Terrestrial Physics Manuscript Draft Manuscript Number: ATP1021 Title: comment on the paper by Dalin , Pertsev and Romejko Significance of lunar impact on noctilucent clouds ( revised version) Article Type: Research Paper Section/Category: Keywords: Noctilucent clouds moon influence mesosphere Manuscript Region of Origin: Abstract: a critical review of the paper by Dalin , ... Reference: Dalin, P.A., N.N. Pertsev, V.A. Romejko. ...