... In laboratory the design and a manufacturing techniques mirror aspherical optics are developed ("fokon", ellipsoid, aspherical mirror).Such optical elements are made of widespread aluminium alloys on the standard equipment without use diamond turning. ... Using: optical blocks of not image optical devices for transitions, collimation, focus (concentration) radiations in a wide spectral range from UV to IR. Focusing and collimation of light; . ... circle aperture/ring aperture; . ... Back Forward . ...

fitshdr_expand - expand/extend FITS-file header fitshdr_expand [options] FITSfile_name . fitshdr_expand utility allows to expand/extend existent FITS headers. FITS MultiExtentionsFiles included). fitshdr_expand is just simple shell script around fitshdr utility. --header-no= NNN . Where NNN - FITS-header's number (0,1,.. ... By default 1. --help . Output a brief help message and exit. --version . Print the version number of fitshdr_expand to standard output and exit. --nobackups . ...

Stellarium 0.12.3 . MainљPage . ... Classes . ... Stellarium Developers Documentation . ... This documentation is targetted at developers of scripts, plugins and the core program. ... Those classes have a single instance created at startup by the ::main() function. ... Because many Stellarium components derive from the StelModule class, the main loop is able to treat them generically by calling their standard methods such StelModule::update() and StelModule::draw() at each program iteration. ...

... Официальное зеркало Astronomy picture of the day на сервере NASA ?? ... 17 июля 2000 . ... Молнии на Земле . ... Известно, что заряды медленно разделяются в некоторых облаках , вызывая моментальные электрические разряды (молнии). ... около 6000 ударов молний между облаками и Землей происходит каждую минуту. ... В 1997 НАСА запустило аппарат TRMM , который занимается подсчетом количества осадков и молний на планете Земля . ... А. Сергеев , оформление, 1999, 2000. ...

... The sections below are meant to refresh your memory about some basic ideas in algebra and trigonometry. Even if this material is completely new to you, with enough motivation and persistence you should be able to understand it. ... M-1) Basic ideas . ... M-5) Deriving Approximate Results . ... M-8) How to tell sines from cosines . M-9) Deriving sines and cosines . ... M-11) Deriving sin( a+b ), cos( a+b ) . ... Last updated 24 August 1998 ...

... The conference will be also partially hosted by the Steklov Mathematical Institute, Gubkin 8, 119991, Moscow . The nearest metro stations are: Akademicheskaya (orange line) from which there is a 15-minute walk or Leninsky Prospekt (orange line) and Universitet (red line) from which one may take a tram No. 3 or 39 to the stop ?ulica Gubkina?. ... The location of the conference room at the building of the Steklov Institute will be announced later. ... Location of the Steklov Mathematical Institute . ...

. This image is a stack of 6 x 4 min. autoguided exposures through 8"SCT f6.3 using Cookbook 245 with IR blocking filter. Exposures were taken on May 25, 98 between 10:36 and 11:08 PDT in Sooke, BC. Jan Wisniewski, jwisn@netcom.ca . Back to Supernovae in NGC and IC galaxies . Back to Supernova 1998bu images . David Bishop Last modified: Tue Oct 6 12:13:27 EDT 1998

... Eyepiece Specifications . Aperture Diameter (inches) . user input . Eyepiece focal length . ... Focal Ratio . ... Magnification . ... Focal Length (inches) . Eyepiece Apparent FOV . ... Focal Length . ... True Field of View . ... sq. inches) . ... Enter values for the "user input" blocks - then press the "Calculate" key . Eyepiece Apparent FOV Table - A listing of popular manufacturers eyepieces and their apparent field of view's (FOV). ...

... Модификация метода усеченного блочного кодирования для использования его при сжатии изображений в задачах дистанционного зондирования Земли . ... Классический метод BTC чрезвычайно прост: изображение разбивается на непересекающиеся прямоугольные блоки, для каждого блока вычисляются среднее значение яркостей пикселов и дисперсия, затем пикселы блока делятся на две группы - надпороговые, яркость которых превышает вычисленное среднее, и подпороговые. ...

... Вместо красного вектора, символизирующего на логотипе аэронавтику, на эмблеме была изображена стилизованная птица 'роудраннер' (калифорнийская земляная, или бегущая, кукушка). ... Надпись 'NASA' на эмблеме заменена на название эксперимента - '2TV-1'. Кроме того, по краю эмблемы помещена надпись на латыни: 'Arrogans Avis Cauda Gravis', что означает: 'Гордая птица с тяжелым оперением', по-английски: 'The Proud Bird with the Heavy Tail'. ... Описание эмблемы - Леон Розенблюм . ...

... Войти на сайт: Имя: . ... Автор забыл указать имя ] . ... Полное солнечное затмение 2008 года . ... Артиллерийский снаряд с GPS-наведением XM982 Excalibur включен в список лучших военных изобретений 2007 года. Артиллерийский снаряд XM982 Excalibur калибра 155 мм с GPS/INS-наведением, разработанный совместно компаниями Raytheon, BAE Systems и Bofors, включен в перечень 10 лучших военных изобретений 2007 года (в США). ... Имя: . ...

Target: M44 or the Beehive Cluster including Mars Telescope: 85mm f/1.4 Nikor Camera: Nikon D200 Filters: IR block Exposure time: 10 seconds Date: 2010:04:15 Time: 04:26:14 Observer: John Kielkopf Processing: John Kielkopf Cropped 2048x2048 and rotated to put N up and W right.

... Chapter 1. History of computers . ... Blocks of computer . ... Operation system . ... File system . ... Operations with files (NC) . ... File editor (NE) . ... Computer viruses . ... Windows 95/98 system . ... Computer documents (Word) . ... Answers to the questions . Appendix A. Windows 3.1 system . Appendix B. About the book for parents . ... On this page you will find the first chapter and introductions and control questions from several other chapters. ...

... Главная страница / Луна / От Клавия до Мавролика. ... Случайная фотография . ... От Клавия до Мавролика. ... Тал 75R + 4Х ЛБ от НПЗ, камера DBK 21AF + UV/IR blocking filter. 30 кадр/сек. ... Участок Южного полушария Луны от кратера Клавий до Мавролика на терминаторе. ... Тал-75R , DBK , 21AF . ... Размер фотографии: . ... У этой фотографии нет комментариев. ... Все права на размещенные в галерее фотографии принадлежат их авторам. ... Киевский клуб любителей астрономии "Астрополис" . ...

Mercury Spring 2007 Table of Contents . ... One of the most exciting astronomical activities of the last several years has been the search for transiting extrasolar planets?those orbiting stars other than our Sun. And of particular interest are "transiting." When a transiting ESP's orbital motion carries it in front of its parent star, the planet blocks some of the star's light, and astronomers observe a diminution in the star?s brightness. ...

. This is a new popup window - close it when you are done . Submitted by Paul Cicchetti on 06/05/2012 17:57:41 . M 81 Redux . Since obtaining both Tony Halls and Adam Blocks tutorial videos, I have been playing with the M 81 image taken (see above)to pull more detail out of images. Logon to post a follow-up comment or review comments from others . Copyright (c) Amateur Telescope Makers of Boston, Inc. About Us Contact Us

... 12.03.2001 . ... March 12 2001 09:00 (Moscow time) . The operations sheduled with OC "Mir" for March 11 are fully complete. The station continues in free drift. ... The onboard systems perform nominal, the Complex arrays generate enough electricity, the thermal mode is normal. Today on the Station (core block) the Motion Control System (MCS) digital central computer was powered on, it is being loaded with command software. The next status report is scheduled for March 13 2001. ...