... Telescopes . ... The spectrograph is installed in the Nasmyth focus of the BTA telescope, the equivalent focal length is 186 m (F/31). ... The preslit device unit is marked by number 3. ... Fig. ... slit unit of the MSS, 4.1 ? ... The spectrograph slit unit consists of a mirror that redirects the light beam from the Z axis and from the calibration path at an angle of 65њ to the axis of the telescope focus into the slit, the order separation filter, the block of the slit and the shutter (Item 4 in...

Lessons learned from the Thirty Meter Telescope site testing Tony Travouillon Sebastian Els, Angel Otarola, Reed Riddle, Matthias Schoeck, Warren Skidmore TMT.XXX.PRE.05.0XX.DRF01 1 Introduction TMT and its Site testing. Important choice before going on site. ... Considerations during analysis of the data. TMT.XXX.PRE.05.0XX.DRF01 2 Some Background about the TMT Site Testing TMT is a 30m, segmented, RitcheyChretien telescope design. ... ASCA Cloud Cover Analysis So how do we do it in practice? ...

... Prague , 2006 . ... The draft classification (version August 9, 2006 ) for new GCVS versions . Along with the "+" sign (coexistence of two types), it is suggested to introduce the "|" sign (meaning "or") - for classification options for the same object, e.g. EC|Ell, EC|RR. Pulsating variables . ... DCEP , DCEPS , CEP ( B ) DCep , DCep 0, DCep 1, DCepB 01, DCepB 12 . ... Eruptive variables . ... PN, WD, WR Remove from the classification, indicate through the spectral type or Remarks . ...

... The main design features of the mirror system of the RT-32 are as follows [1]: . The carcass of the primary mirror is formed as a three-dimensional, welded steel tubular rod system that is highly statically indeterminate and therefore very durable. ... The supporting and driving maschinery of the antenna is T-shaped, so it has a very massive vertical stanchion (its length is 15m and diameter 2.3 m). ... Diameter of the primary reflector, D - 32 m . ... 1997 год . ... Нар.газета N 107 11.06.1997 . ...

... Hand Made (Модераторы: Diskus , Hornet ) > . Vivitar 500mm Mirror Lens f/6.3 . ... Благодарностей: 0 . Ответ #40 : 04 Август 2010, 17:39:19 ? ... Цитата: alexmeade от 05 Август 2010, 22:15:56 1. ... Цитата: alexmeade от 06 Август 2010, 10:45:23 А ваша дигональ шла без трубки 1,25"? ... Цитата: alexmeade от 06 Август 2010, 13:58:40 А что стоит вытачить трубку и нарезать резьбу М28х1? ...

... The project assumes creation of an international space observatory - the interferometer "Earth - Space - Space" in order to perform of astronomical investigations in millimeter, submillimeter and infrared regions with extremely high sensitivity (to a few nanoJanskies units of flux density in continuum spectrum) and extremely high angular resolution (to a parts of microsecond of arc or, possibly, nanosecond). ... radio-interferometric channels of the system "Space - Space", region 0.2 - 3 mm; . ...

... Home Articles Optical Surface Cleaning Procedure . ... Clear Sky Chart . This Month's Sky . ... Beyond New York City . ... Optical Surface Cleaning Procedure . Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . Observing Resources for Amateur Astronomers - Part 2: Intermediate Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

... Coming Soon to a Channel Near You: Oracle.. ... But now users are discovering that this beefy class of multiprocessing, "fault-tolerant" PC servers handle databases just as well as mainframes and minicomputings. ... Programmers at four competing Unix software vendors are working together on what may be the last chance for Unix on the corporate desktop. ... COSE's Common Desktop Environment goes a long way toward establishing a standard Unix interface that's easy enough for novice users to master. ...

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Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... The ionogram catalogue is divided into the data file and the key file. ... The station codes database consists of the data file and two key files. ... This database consists of the data file and the key file. ... The antenna DB consists of two interrelated databases. ... The data file contains the following information: antenna type, antenna name, antenna parameters names, measurement units, and ranges of parameters. ...

Электронная библиотека астронома-любителя. ... Iridium Long March 2C/SD Launch * Aug 01 - ORBCOMM-2 Pegasus XL Launch Aug 01 - Alpha Capricornids Meteor Shower Peak Aug 01 - Asteroid 980 Anacostia at Opposition (10.7 Magnitude ) Aug 01 - Asteroid 1474 Beira Closest Approach to Earth (1.788 AU) Aug 01 - Maria Mitchell's 180th Birthday (1818) Aug 02 - Asteroid 29 Amphitrite at Opposition (9.2 Magnitude ) Aug 02 - Asteroid 490 Veritas Occults TAC -214637 (11.2 Magnitude Star) Aug 02 - ...

Лунный телескоп с жидким зеркалом . ... Роджер Энджел (Roger Angel), профессор Университета Аризоны, получил от NASA грант на исследование возможности постройки на южном полюсе Луны телескопа с жидким зеркалом диаметром 100 м. Телескоп этот так и называется Lunar Liquid Mirror Telescope (LLMT). ... Первая серьезная попытка постройки телескопа с жидким зеркалом была предпринята почти 100 лет назад. ... Если бы зеркало такого же размера сделали из стекла, то телескоп стоил бы в 100 раз дороже. ...

... Бережной А.А., Клумов Б.А., Фортов В.Е., Шевченко В.В. Письма в ЖЭТФ, Т. 63, N6, С. 387-391, 1996 . ... A. A. Berezhnoy1,2, N. Hasebe1, M. Kobayashi1, G. Michael3 and N. Yamashita1 1Advanced Research Institute for Science and Engineering, Waseda University, Tokyo, Japan 2Sternberg Astronomical Institute, Moscow, Russia 3German Aerospace Center, Institute for planetary research, Berlin, Germany . Brown University - Vernadsky Institute Microsymposium 40, 2004, Moscow, Russia . ...

... Этот раздел включает в себя оцифрованные копии книг, так или иначе принадлежащих к Астрономической тематике. ... Если у вас есть отсканированные книги входящие в тему этой библиотеки, обязательно напишите мне, возможно кто то давно ищет эту книгу, да и в целом пополнение библиотеки очень приветствуется. ... В.А.Бронштэн, Издательство "Наука" . ... Optomechanical Engineering Handbook Content . 1999, . Ed. Anees Ahmad, CRC Press LLC. ... Optomechanical Engineering Handbook-4, Metal Mirrors . ...