RECREATIONAL TELESCOPES . ... ASTRONOMICAL TELESCOPES . ... Home Products Telescopes Astronomical Telescopes ASTELE™ 152MN . ... Whatever eyepiece you're using at the time is your finder eyepiece. ... 152MN is 4.4, so, unlike telescopes with much longer ?-ratios, you're able to use low magnification (27.4 X, 2.3° with the 25 mm PlЖssl eyepiece) which produces bright images and wide fields of view for those dim galaxies, nebulae, and very large star clusters, but the ASTELE? ... BK7 optical glass . ...
... Observing springtime deep-sky objects with a large telescope . ... Buy and sell astronomy gear April 9 . ... Astronomy.com: Jim Forbes . ... A refracting telescope makes use of this property with a carefully made lens having curved surfaces. ... The first telescope (of any type) was constructed by the Dutch spectacle maker Hans Lippershey (1570 1619) who, on October 2, 1608, filed a patent application for "an instrument for seeing faraway things as though nearby." ... Buying your first telescope . ...
... The flag on the moon represents an important event in vexillological history. ... During their historic extravehicular activity (EVA), the Apollo 11 crew planted the flag of the United States on the lunar surface. ... Like any activity in space exploration, the Apollo flag-raising also provided NASA engineers with an interesting technical challenge. ... As NASA plans a return to the moon and an expedition to Mars, we will likely see flags continue to go "where no flag has gone before." ...
. В&K : Статьи и литература : . И.А. Климишин. Заметки о нашем календаре . История нашего календаря . И сказал Бог: да будут светила на тверди небесной, . для отделения дня от ночи, и для знамений, . и времен, и дней, и годов... И создал Бог два светила великие: . светило большее, для управления днем, . и светило меньшее, для управления ночью, и звезды. И поставил их Бог на тверди небесной, . чтобы светить на Землю, . и управлять днем и ночью, и отделять свет от тьмы. И увидел Бог, что это хорошо. И был
GigaCAM GigaCAM : A One Billion Pixel Imager for the SNAP Satellite The SNAP Collaboration: G. Aldering, S. Deustua, W. Edwards, B. Frye, D. Groom, S. Holland, D. Kasen, R. Knop, R. Lafever, M. Levi, P. Nugent ... These are major achievements in the development of n-type high-resistivity CCD's [Groom 1999; Holland 1996, 1997, 1997, 2000; Stover 1997; 1998]. file:///C|/Nadia/space_detectors/giga.htm (1 of 4) [8/21/2001 5:17:59 PM] GigaCAM Figure 1. Figure 2. ... 1997. ...
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Ссылки http://www.stsci.edu/stsci/meetings/space_detectors/pdf/giga.pdf -- 59.1 Кб -- 22.08.2001 Похожие документы
... Telescopes ћ Binoculars ћ Microscopes . Meade Ultra-High Transmission coatings (UHTC ) Group . ... Meade Standard Coatings: The optical surfaces of all Meade telescopes include high-grade optical coatings fully consistent in quality with the precision of the optical surfaces themselves. ... These specialized, and extremely advantageous, coatings are offered here as the Meade Ultra-High Transmission Coatings (UHTC) group, a coatings group available optionally on many Meade telescope models. ...
... Молекулярно-пучковая эпитаксия и исследование фундаментальных физических свойств низкоразмерных полупроводниковых гетероструктур (квантовых ям, серхрешеток, квантовых точек) на основе: . ... широкозонных полупроводниковых соединений А 2 В 6 , а также ZnO, для оптоэлектроники видимого и УФ спектрального диапазона и фундаментальных исследований в области спинтроники; . А 3 -нитридов для оптоэлектронных применений в видимой и УФ области спектра, а также для исследований в области плазмоники. ...
Методы поиска работы Из-за недостаточного практического опыта, социально-правовых и профессиональных знаний, часто и неподготовленности к конкуренции на рынке труда, найти место работы молодым гражданам становится все сложнее. ... Участвуйте в днях и ярмарках карьеры - ведь они организуются именно с целью «знакомства» работодателей с работоискателями. ... Залог успеха при использовании этой стратегии - заинтересованность в работе именно в данной компании и знание деятельности компании. ...
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Ссылки http://www.univer.kharkov.ua/docs/vipusk/method_find_job.doc -- 53.5 Кб -- 05.02.2009 Похожие документы
... New ac units were installed in buildings I and II sometime in 2011 (need exact dates). ... Tests showed that most of the rfi comes from the "cpu" inside the roof enclosure. 28jan13: rfi coming from building 2 A/C unit using a spectrum analyzer at the unit. 24jan13: building 2 power shutdown shows rfi coming from A/C unit atop building 2. 29sep11: looking at the 1408 MHz birdie while the cabinet doors were opened,closed. 18-26 sep11: 1408 MHz rfi reported by a2010 (alfalfa). ...
The AstroGuide . ... AstroGuide | ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . Optical coatings for your mirror including protected aluminum, silver and gold. ... Listed Since August 20, 2005 . ... Web Site . http://www.majestic-coatings.com/ . ... Web . ... 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 ...
Lunar Orbiter 4 . Courtesy of NASA's National Space Science Data Center . ... The Lunar Orbiter 4 spacecraft was designed primarily to photograph smooth areas of the lunar surface for selection and verification of safe landing sites for the Surveyor and Apollo missions. ... This experiment consisted of a dual-lens camera system designed to satisfy the primary mission objective of providing photogaphic information for mapping and for the evaluation of Apollo and Surveyor landing sites. ...
Next: Particle Background Rejection Up: Detection Efficiency Previous: Front Illumination . ... The method requires that the CCD substrate be etched from the rear towards the depletion layer boundary. The device can be illuminated through this rear surface, which has a much thinner dead layer than the electrode side. ... The corresponding detection efficiency data are presented in Figure 7, and compared with the predicted data for a 20 m thick depletion layer. ...
... Home Articles An Asymmetrical Mount For a 17.5? Newtonian . ... Beyond New York City . ... An Asymmetrical Mount For a 17.5" Newtonian . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Amateur Astronomers Medal . ... I live in New York City. ... The basic Dobsonian design uses a mirror box. ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...
Next: Quantum Efficiency Correction (a.k.a. Up: ROSAT HRI Recipes Previous: Appearance of new HRI . The mean pulse height analyzer channel (PHA) of a spectral distribution will vary depending on its location on the detector. Below is a method to compare observed data with that of preflight calibration measurements. ... For temporal gain variations, see The HRI Calbration Report . ... Retrieve the gain maps (mean PHA) from anonymous ftp at SAO. ... But don't forget temporal gain variations!] ...
Winer Observatory P.O. Box 797, Sonoita, Arizona 85637-0797, USA . ... Winer Observatory gratefully acknowledges the generous support of those listed below. ... We thank our donors and hold them up as models of how corporations in America can behave responsibly in the communities in which they do business. ... Telescopes, parts, and accessories . ... 100,000 . ... Hughes Missile Systems . ... Miscellaneous electronics . ... Terra Universal, Inc. ... EFI Electronics Corp. ... 2013 Winer Observatory. ...
... Procedure . ... M2 Crate ; Location : stored at American Storage in Alamogordo ; Appearance : yellow . M2 Belly Band ; Location : inside M2 crate; Appearance : polished metal circular band. ... Wind baffle removed and wind baffle support frame secured (tied down and supported with jackscrews). ... Station one person on each side of the mirror to control the light baffle. ... Put a light weight level on the spreader bar and level the spreader bar by sliding the belly band around the mirror. ...
... What's New? Bad Astronomy . ... 2002 | ... I just finished an interview on National Public Radio about the Moon Hoax. ... The show aired live but is archived on their website . ... ALERT : Moon Hoax advocate and astronaut irritant Bart Sibrel will be mocked mercilessly on the TV show "The Daily Show", a program that satirizes the news and is well-known for skewering cranks, kooks and weirdos. ... A Bad Astronomy Two-fer! ... January 9, 2002 : I have started a Bad Astronomy email newsletter! ...
... 1 - 5 m HgCdTe Detector Material . Hybridization of 2048 x 2048 Arrays . ... Options for Extension to Visible Wavelengths . ... MBE HgCdTe Capability at Rockwell Science Center . ... Over the last two decades, dramatic improvements in the performance of 1 - 5 m infrared detector materials combined with the leap from single detectors to million pixel arrays have led to a billion-fold improvement in our ability to observe astronomical sources at these wavelengths. ...
... Observatory . ... THE HISTORY OF AAAP . ... After introductory remarks by Robert Sanders, founder of the Association, it was moved that the name of the organization be Amateur Astronomers Association of Princeton. ... 2/72 First issue of Sidereal Times, so named by Editor Roxanne Tobin. ... 5/72 Election of officers: Norman Sperling, Director; John Church, Assist. ... Sidereal Times, John gives the following report: . ... Sidereal Times.) ... Amateur Astronomers Association of Princeton Т? 2015. ...
The Magdalena Ridge Observatory Interferometer Fast Tip-Tilt/Narrow-field Acquisition System: Conceptual Design CoDR_NRL_v2.3 Prepared by: Jonathan R. Andrews Checked and validated by: Sergio R. Restaino July 10, 2009 Naval Research Laboratory Remote Sensing Division, Code 7216 3550 Aberdeen SE KAFB, NM 87117 http://rsd-www.nrl.navy.mil/7216/ Contents Change Record .................................................................................................................................. 5 Objective
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Ссылки http://www.mrao.cam.ac.uk/projects/OAS/pmwiki/uploads/MROIFastTipTilt.OldDocs/CoDR_NRL_v2.3.pdf -- 1284.9 Кб -- 27.05.2010 Похожие документы