... Видимое годовое движение Солнца . ... Чему равна высота точки зенита над горизонтом? ... Эксцентриситет орбиты Цереры равен 0,079, большая ось 5,54 а. е. Чему равно наибольшее расстояние Цереры от Солнца? ... Горизонтальный параллакс Солнца равен 8,8?? ... Горизонтальный параллакс Солнца 8,8??, расстояние от Солнца до Марса 1,5 а. е. Определите линейный радиус Марса, если известно, что во время великого противостояния его угловой радиус составляет 12,5??, а горизонтальный параллакс равен 23,4?? ...
... 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; . ...
... Contacting and discussing with people sharing your interests, participating in night sky observations with telescopes as well as a large choice of astronomical books, magazines and video-tapes out of our club library. ... A reasonable compromise for observing both planets and brightest deep sky objects ( nebulae, galaxies) are either a 4 to 8 inch mirror telescope ( Newton, Schmidt-Cassegrain ) or a 3 to 4 inch refracting ( lens) telescope. ... Where can I buy a telescope in Luxembourg ? ...
... The versatile and efficient INVERTOSCOPE? combines the highest optical performance with unsurpassed mechanical quality, and is backed by LOMO's unique lifetime warranty, the most comprehensive in the industry. ... A 15X focusing eyepiece with two interchangeable reticles (a 10mm/100div scale and a 10mm x 10mm/400sq grid) for convenient measuring and counting. ... A set of stage inserts and extension plates to accommodate a variety of sample vessels such as Petri dishes, flasks, microtest plates, etc...
Dynamic Shack-Hartmann System RAPID V. G. Orlov, V. V. Voitsekhovich Instituto de AstronomМa, UNAM, MИxico CONACYT project E9507-1020P UNAM PAPIIT IN104910 Telescopes OAN OAN- SPM 2.1m telescope 1.5m telescope 0.84m telescope 2.1m telescope OAN-Tonanzintla 1m telescope Astronomical site SPM Observing statistics 1982-2002 (Tapia+ 2007 ) Photometric nights : 64.1% Spectroscopic ... Rapid - Dynamic Shack-Hartmann All modern telescopes demand installation of adaptive system. ...
The low aspect ratio, or spherical tokamak Globus-M [1] has recently been built in a support of international spherical tokamak plasma investigation program. ... The survey to determine the work scope in diagnostic design for Globus-M is given in the paper. ... The next one is an advanced diagnostic set intended to supply the data on basic plasma parameters: electron temperature and density profiles, ion temperature, plasma composition, radiation profile, Zeffective. ... Magnetic Diagnostics. ...
Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... The balloons were launched behind the handing over of the Olympic Torch outside the Planetarium building (Image credit:Sinead McNicholl) . ... So, thatБ€?s the history bit over!б? How does Helium work in a balloon? ... Balloons flying up into the airБ€і.Can you spot the one that travelled to Germany?( ... Could helium lift a person? ... In the film Б€?UpБ€?, helium balloons are used to lift a house (Image credit:Disney/Pixar) . ...
... 486 Enrichetta Iodice and Enrico Maria Corsini, eds. c 2014 Astronomical Society of the Pacific Inner Polar Gaseous Disks: Incidence, Ages, and Possible Origin O. K. Sil'chenko1 and A. V. Moiseev2 Sternberg Astronomical Institute, Lomonosov Moscow State University, Moscow, Russia Special Astrophysical Observatory, Russian Academy of Sciences, Nizhnii Arkhyz, Russia Abstract. ... Further Bettoni et al. (1990) have claimed inner polar gaseous disk in the Southern ringed lenticular galaxy NGC 2217. ...
... Home Education Classes Classes ? Archive . ... Classes - Archive . ... Clear Sky Chart . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... Jaclyn Avidon ?аis a member of the Board of Directors of the Amateur Astronomers Association of New York, the Chair of the AssociationтАЩs School Outreach Committee, and the instructor for the AssociationтАЩs classes. ... This class is a offering of the Amateur Astronomers Association of New York. ...
This module provides for an HTTP 1.1 caching proxy server. ... It implements proxying capability for FTP , CONNECT (for SSL), HTTP/0.9 , HTTP/1.0 , and (as of Apache 1.3.23) HTTP/1.1 . ... This module was experimental in Apache 1.1.x. As of Apache 1.2, mod_proxy stability is greatly improved. ... Module: mod_proxy . ... This directive is only useful for Apache proxy servers within intranets. ... The ProxyDomain directive specifies the default domain which the apache proxy server will belong to. ...
... Gallery . ... click image to view discuss) . Venus Transit - June 6, 2012 . handheld at 560 mm with image stabilization, Canon Powershot SX10, taken at Brindisi, Italy . Submitted by Joseph Rothchild on 06/06/2012 17:21:00 . ... Lunar eclipse September 27, 2015 . ... Submitted by Joseph Rothchild on 09/28/2015 07:46:49 . Picture Galleries . Astronomy Galleries . ... Other Galleries . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...