... разработка теории и методов расчета лучевых дифференциалов первого, второго и третьего порядков в градиентных оптических системах; . ... разработка методов расчета геометрических аберраций второго и третьего порядка осесимметричных оптических систем, содержащих асферические поверхности и градиентные среды типа "псевдоаксикон"; . ... получены формулы для расчета смещения изображения и геометрических аберраций второго порядка в градиентных оптических системах с малыми нарушениями осевой симметрии; . ...
... Индексы солнечной активности . ... Солнечные регионы . ... Описание солнечных регионов . ... Длинная биполярная цепочка небольших пятен, которая наблюдалась на двадцать девятой параллели южного полушария с 6 по 14 апреля 2002 года. ... Биполярное сочетание пятен, пересекавшее солнечный диск с 7 по 19 апреля 2002 года вдоль средних широт северного полушария. ... Мелкая биполярная группа, замеченная на средних широтах южного полушария с 8 по 13 апреля 2002 года, в западной части солнечного диска. ...
... The southern Milky Way from Centaurus to ScorтАж . ... Title: The southern Milky Way from Centaurus to Scorpius setting behind the ANU 24-inch telescope building. ... The southern Milky Way from Centaurus to Scorpius setting behind the ANU 24-inch telescope building. ...
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... Astronomers have used NASA's Hubble Space Telescope to probe the core of the nearest active galaxy to Earth, Centaurus A. Hubble's Near Infrared Camera and Multi-Object Spectrometer was used to peer past the dust to discover a tilted disk of hot gas at the galaxy's center (white bar running diagonally across image center). This 130 light-year diameter disk encircles a suspected black hole which may be one billion times the mass of our Sun. ... Centaurus A (NGC 5128) Fast Facts . ...
... Tonight's Sky . ... Observing . ... Sky this Month . ... Star Atlas . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Tour the Deep Sky . ... Observing springtime deep-sky objects with a large telescope . ... A deeper look at Centaurus A . ... Only registered members of Astronomy.com are allowed to comment on this article. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...
... Ciel Espace, le magazine qui vous guide toujours plus loin . ... Ciel Espace, nouvelle formule, c'est . des actualit†йs . des reportages . ... 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 Centaurus A prise en flagrant d†йlit de cannibalisme . ... 07/04/2016 - Plong†йe au centre de la Voie lact†йe . ... 24/03/2016 - WLM, une galaxie naine solitaire dans la Baleine . ...
... AstroGuide | ... Constellations | ... Canis Major . Canis Minor . ... Corona Australis . Corona Borealis . ... Leo . Leo Minor . ... Ursa Minor . ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . are trademarks of John Huggins ...
... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Two observations of HD 32633 obtained at close phases, one with NARVAL (Phase 0.689, taken 17 Dec 2006) and one with ESPaDOns (Phase 0.700, taken 26 Jan 2008). ... In this paper we describe and evaluate new spectral line polarisation observations obtained with the goal of mapping the surfaces of magnetic Ap stars in great detail. ...
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... Astrophysics Group . ... Exploring the Cosmic Dawn . ... Cosmic reionization corresponds to the epoch in which the first stars€а and black holes reionize the neutral intergalactic medium (IGM) that€аpervades the Universe following recombination, within a few hundred€аmillion years of the Big Bang. The epoch of reionization, and the€аpreceding ?dark ages? prior to the formation of the first stars,€аrepresent the last unexplored phases of cosmic evolution to be tested€аand explored. ...
... Our Galaxy . ... Stars . ... We all love bright and showy spiral galaxies! So much so, that we tend to overlook the elliptical galaxies which make up about 30% of the galaxies out there. Smaller than spiral galaxies, elliptical galaxies may be full of stellar living fossils, surviving virtually unchanged from an older cosmic era. ... Elliptical galaxies are smaller than spiral galaxies, roughly spherical and full of old stars. ... We know that galaxies interact and even collide. ...
... Image Quality of the VLT . Total Optical Control . First light for the ESO VLT unit telescope 1 occurred during the workshop. ... The image shown (Figure 1 ) here was obtained with the VLT on May 16, 1998, in red light (R band), i.e. while the mirror was still uncoated. ... In this diagram (FIgure 2), the measured image quality of the VLT UT1 astronomical images is plotted versus the ``seeing", as measured by the Seeing Monitor, a small telescope also located on top of the Paranal Mountain. ...
... The substepping technique is used for the Hubble Space Telescope (HST) imaging to cope with the problem of undersampling and to improve resolution. ... For the HST, undersampling means that the size of the pixel in a camera is larger than the critical value determined by the optics of the telescope, and aliasing takes place. ... Sampling is an operation to integrate a ( x ) within a pixel, and to assign the result to this pixel (Figure 1 A). ... Figure 1: Substepping ( N =2) and normal sampling. ...
MAIN PAGE . ... LINKS . ... AAL Members Sites . ... Amateur Astronomy . ... Mars Missions . Observatories Telescopes . ... astronomylinks.com. - astronomy and space links, shortcuts, favorites and bookmarks . ... Mel Bartels' Homepage about Amateur Telescope Making and a lot of interesting links (thx to Hugues Laroche for the link!) ... STEREO (Solar TErrestrial RElations Observatory) consists of two space-based observatories - one ahead of Earth in its orbit, the other trailing behind . ...
Harvard Observatory History in Images . In a web article about the Observatory Pinafore, someone left a comment that he had several photos of the play that belonged to his grandfather, Edward Skinner King. ... One notable feature of the photographs is they're the only ones I know of that were taken inside the Director's Residence--so far. ... ECP Professor Edward C. Pickering, The Director - W.R. Ransom LW Dr. Leonard Waldo, L.L.D., Director of Observatory at Providence - Bart J. Bok . ... WAR. ...
... Собственник, ООО "Центр спутниковой связи" сдает офисные помещения в аренду по адресу: Москва, Загородное шоссе, дом 10, корп. 4., метро Ленинский проспект/Шаболовская. ... Перейти через дорогу, пройти между 2-х этажными домами, левее во дворе - белое 2-х этажное здание. ... 317, до остановки Загородное шоссе. Пройти между 2-х этажными домами, левее во дворе - белое 2-х этажное здание. ... Напротив остановки, в глубине двора - белое 2-х этажное здание. ... Вход на территорию с левого торца здания. ...
Truebloodb,g, K. Zelayab Department of Astronomy, The Ohio State University, 140 West 18th Avenue, Columbus, OH 43221 USA; bNational Optical Astronomy Observatory, 950 North Cherry Street, Tucson AZ 85719 USA; cCerro Tololo Inter-American Observatory, Casilla 603, La Serena ... USA ABSTRACT We describe the design, construction and measured performance of the Kitt Peak Ohio State Multi-Object Spectrograph ( KOSMOS ) for the 4-m Mayall ... Optical layout for KOSMOS and COSMOS. ...
. This is a new popup window - close it when you are done . Submitted by Nina Craven on 06/18/2015 12:52:09 . Texas Star Party 2015 . Centaurus A and Omega Centauri . Logon to post a follow-up comment or review comments from others . Copyright (c) Amateur Telescope Makers of Boston, Inc. About Us Contact Us