... Average effective wavelengths and band widths for various sp ectra Lyrae spectrum f flat k е 1014 Hz 5386 ± 18 4.66 ± 0.04 5714 ± 12 4.1 6234.5 ± 0.5 1.03 5372 ± 18 4.69 ± 0.04 eff 2 Optical Filter ID 1 2 3 4 a Fo c -6 10 erg/cm2 s 12.55 ± 0.10 11.04 ± 0.01 2.77 ± 0.004 12.63 ± 0.10 fo d 6 10 photons/cm2 s 3.40 ± 0.02 3.18 ± 0.004 0.87 ± 0.002 3.42 ± 0.02 Power-law eff f 2 е 5746 ± 317 6197 ± 253 6305 ± 31 5736 ± 316 spectra pl k 1014 Hz 3.70 ± 0.26 3.14 ± 0.16 0.88 ± 0.01 3.70 ± 0.27 Table 1. ...

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• Ya.B. Zeldovich All-Moscow Seminar of Astrophysicists

... 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). ...

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... Space Research Institute LAN Workshops and seminars Homepage . Space Research Institute of Russian Academy of Sciences is a leader in networking and communications in Russia through its networking projects and cooperations. ... Space Research Institute Interconnect Network Operation Centre staff monitors and maintains SPACENet. ... Space Research Institute Interconnect Network Operation Centre staff assists European Space Agency (ESA) technical and operation staff in supporting ESAnet connections. ...

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... For many ATMs, having a good ray trace program on hand is pretty valuable. ... http://www.willbell.com . ... It is a slick Windows package with great graphics, but my most recent machine (Win95 OSR2) now encounters many error messages. ... OSLO LT : This is the freeware Windows version of OSLO - it is limited to 12 surfaces, but is otherwise amazing. ... KDP : This is another powerful, freeware Windows raytrace package. ... ZEMAX : This is yet another powerful, Windows raytrace package. ...

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• Amateur Telescope Makers of Boston

Электронная библиотека астронома-любителя. ... библиотека . архив RSN . ... Ru.Space.News: . Февраль 1998 . ... Дата: 02 февраля 1998 (1998-02-02) От: Alexander Bondugin Тема: Lunar Prospector Update - January 29, 1998 Привет всем! ... Lunar Prospector Mission Status Report #16 January 29, 1998 7 p.m. EST (4:00 p.m. PST) The Lunar Prospector spacecraft continues to operate well according to Mission Control at NASA_s Ames Research Center. ...

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• Электронная библиотека астронома-любителя. RU.SPACE.NEWS - архив за 16 марта
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... Capability of space means for the solution of problems of military character . ... Classification and functions of space systems of military purpose(assignment) . ... Ground complex of maintenance of launch and control of space vehicles . ... Capability of space systems of optical reconnaissance . ... Complexes topographical and earthresource shooting on base of "Zenit" space vehicle . ... Space vehicle for optical-electronic reconnaissance . ... System with space vehicle on low-altitude orbits . ...

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• Abstract

... Астрофорум - астрономический портал ? ... Астрономические наблюдения (Модераторы: LeMay , Александр Репной , Грудцын Алексей ) ? Комета C/2006 A1 (Pojmanski) . ... Сообщений: 7 620 . Рейтинг: +217/-13 . ... Ответ #60 : 12.02.2006 [08:16:59] ? ... C/2006 A1 (Pojmanski) . ... Цитата: В. Невский от 18.02.2006 [19:42:21] http://www.possumobservatory.co.nz/tree_felling01.htm здесь вы сможете найти свежую фотку кометы, а заодно от души посмеятся, на что приходится идти ради снимка кометы . ...

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... Meade Instruments Corporation . ... How to Calculate Power . How to Calculate Power: The magnification, or power, at which a telescope is operating is a function of the focal length of the telescope's main (objective) lens (or primary mirror) and the focal length of the eyepiece employed. ... Example: The Meade DS-2070AT telescope has an objective lens focal length of 700mm; when this telescope is used with a 25mm eyepiece, a power of 700/25 = 28 power (written as "28x") results. ... about meade | ...

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... Club By-laws . ... Other Club Activities . ... Public Nights . ... Dr. James Green, NASA, Director Planetary Science will be our esteemed speaker on Tuesday, April 12, 2016 at 7:30 PM in Peyton Hall on the Princeton University campus. ... Our astronomers setup telescopes for public use at Communiversity in Princeton, Super Science Saturday at the NJ State Museum in Trenton and at various public events around Mercer County. ... Amateur Astronomers Association of Princeton, Inc., ...

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... SUPER RATIO . ... On this page I will present the most important (on my opinion) idea on Intellegence Life in the Universe . ... On the problem of the Super Ratio in astrophysics" . ... As a matter of fact, this is the main problem of the modern natural science. ... Here I shall try to speak about the most important problem of the modern natural science, the problem which is undoubtedly, of more importance than discovery of Blacks Holes, creation of Grand Unification Theory or Artificial...

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... ОТЧЕТЫ СТУДЕНТОВ О ПРАКТИКЕ В САО . Лето 2001 года . ... Гришатовой Юлии . ... Для определения лучевых скоростей, FWHM (полной ширины на половине максимума) и интенсивности линия He I 6678.15А описывалась гауссианой ( рис.1 ). ... create/icat {P1} ztsh*.bdf . execute/catalog @@ set_lambda {P2} . execute/catalog @@ timing {P2} . execute/catalog @@ phase {P2} . ... create/table {P1}.tbl . ... create/column {P1}.tbl fwhm . execute/catalog @@ add_rv_curve_point {P2} {P1}.tbl . ...

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... Rocket launching . ... During school holidays rocket launching is a firm favourite at the Planetarium. The rocket building activity is an exciting and unique way to introduce children to the scientific principles of forces and motion. This family activity runs during school holidays (weather permitting). ... During this exciting activity children have the chance to design, build and launch their very own water rocket. ... SEARCH ARMAGH PLANETARIUM . ... 2009 ARMAGH PLANETARIUM . ...

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• Free Stuff
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... Observing . ... Solar Observing . ... April 3 (SUN) - Solar Observing, Central Park , Manhattan . ... APRIL'S SKY . ... Lecture Series at the American Museum of Natural History The Amateur Astronomers Association is proud to present an astronomy lecture series from October through May each year for our members and the .. ... The€аAmateur Astronomers Association of New York€аwas organized in 1927 to promote the study of Astronomy, emphasizing its cultural and inspirational value. ...

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• Gallery ? Amateur Astronomers Association of New York
• Lecture Series 2010-2011 ? ?The History of the Universe in One Hour? by Max

THE KAIDUN METEORITE: WHERE DID IT COME FROM? ... The formation of the subalkaline and alkaline clasts of the Kaidun meteorite, apparently also requires deep differentiation of material in a fairly large parent body. ... These differences in structure of two genetically linked clasts, due to the different encounter speeds of the clasts with the parent body of Kaidun, obviously indicate that these two events were separated in time. ... References: [1] Ivanov A.V. et al. ... 16] Ivanov A.V. et al. ...

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• THE LABORATORY OF METEORITICS, VERNADSKY INSTITUTE, RAS

... Space activity at the beginning of XXI-st Century view from inside G.M.Chernyavskiy STC for Earth Space monitoring of FSUE , Russia 1. The systemic approach in astronautics Everyone who has linked his life with astronautics and those who are interested in the future of the inhabitancy medium and its expansion up to cosmic scales, are troubled about the current state and development of space activity in the World and in the Native Land of the first artificial Earth satellite (AES). ...

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... 000, 1­12 (2009) Printed 11 February 2010 A (MN L TEX style file v2.2) Analytical approximations of K -corrections in optical and near-infrared bands I1gor V. Chilingarian1 2 ,2,3 , Anne-Laure Melchior 1,4 and Ivan Yu. ... Received 2010 February 01; in original form 2009 August 14 ABSTRACT To compare photometric properties of galaxies at different redshifts, the fluxes need to be corrected for the changes of effective rest-frame wavelengths of filter bandpasses, called K -corrections. ... Table 1. ...

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• K-corrections calculator
• K-corrections calculator (version 2010)

M obile A stronomical Sy stem of TE lescope- R obots MASTER-II Kislovodsk Lomonosov Moscow State University, Sternberg Astronomical Institute , Moscow Union "Optic" , Kislovodsk Solar Station Latitude = 43 o љ44'.767љN; Longitude = 42 o љ31'.417љE; Altitude = 2067љm MASTERљIIљ(8љsquareљdegress) + MASTERљVWF(VeryљWideљFieldљCameras (FOV=800 square degrees, Timeљresolutionљupљtoљ150љms, with unfiltered m_lim=14m on 5 sec. exposure, and ~10.5m with 0.15 sec) . ... 11h 38m 38.0s , -09d 59m 59s) . ...

118. Laboratory

119. http://www.abitu.ru/en2002/closed/viewwork.html?work=102

120. Astronomical and Astrophysical Transactions