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• Astronomical Circular - Contents
• Student's Astronomical Observatory

... Watchouts . ... Any XMM-Newton users, who need to convert OM count rates in the optical and UV filters into fluxes (expressed, e.g. , in erg/cm/cm/s/A), can do it by following any of the methods we outline below. OM count rates can be obtained with SAS. ... UVW1 . ... UVM2 . ... convert from count rate, obtained with SAS (files *SWSRLI*, corrected count rate in CORR_RATE column), to flux, selecting the most appropriate factor for the chosen spectral type and filter from the following Tables: . ...

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• Algorithm
• Output Files

To main of Laboratory . The research work and design of optical and optical-electronic devices are carries out by laboratory staff: . ... Lens: . ... In the layout 1 prism systems perform functions of dispersive element, corrector of aberrations, optical reducer. ... Spectral range 200 - 400 nm; . ... Back Forward . ... The main corrector's function are compensation of field aberrations of the main spherical mirror of a telescope (diameter of 600 mm, f'=1200 mm) and increase aperture ratio. ...

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• Equipment - Page 4
• Laser Communications Products
• Products

... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...

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• VISTA ETC - Exposure Time Calculator

Wide-angle telescopes for photometry and polarimetry in optical and infrared ranges . ... Investigation of the Earth’s atmosphere, comets, interplanetary and interstellar medium with brightness and linear polarization measurements of extended sources and sky background in optical and infrared spectral ranges. ... The devices are small diameter telescopes with CCD-detectors for optical and infrared spectral range with spectral and polarization filters. ... 15-cm telescope with cooling down to 80 K . ...

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• Spacecraft Observing the Sun and the Heavens above
• The Celestial Sphere--lesson plan #1a

... The First (Experimental) International Astronomy Olympiad . The following olympic problems were proposed for the participants on the theoretical part: Grades 8-10 . ... Why is it sometimes better to use a small telescope in orbit around the Earth than it is to use a large telescope on a mountain top? ... What will an observer looking to the Moon through the telescope see? ... Paper with a drown circle and table of maximal elongations of Mercury and Venus had been done for participants. ...

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• Mirror of main window SAO RAS
• Mirrow of main window SAO RAS
• The International Olympiad of Euro-Asian Astronomical Society

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... History . Brief History of Rocket and Space Technology . ... Flights Chronology . ... Project History . ISS Russian Segment . Steps of ISS Assembly . Spaceflights Chronology . Chronology of Extravehicular Activity . ISS 45/46 . ... Rocket Space Complexes . ... Launches Chronology . ... Automatic Space Systems . ... HISTORY . ... 2015 JSC "S.P. Korolev RSC "Energia" . ...

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• INTERNATIONAL SPACE STATION

... MASTER Net is 56 square degrees per 1 exposition . ... 06 Dec 2015: GRB 151205B: MASTER-NET early optical observations GCN18665 . ... 18 Nov 2015: GRB 151118A: MASTER-NET optical observations GCN18613 . ... 12 Nov 2015: GRB 151112A: MASTER-NET optical limit GCN18591 . ... 07 Nov 2015: GRB 151107A: MASTER-NET optical observations GCN18565 . ... 31 Oct 2015: Five OTs detected by Global Robotic MASTER Net ATel8232 . ... 02 Oct 2015: GRB 151001B: MASTER-NET early optical observations GCN18380 . ...

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• Обсерватория

Mark your calendars to reserve Tuesday, December 13 for a sensational astronomy meeting! The Amateur Astronomers Association of Princeton is presenting astronomer and author Kim Weaver for a presentation titled: "New Eyes on the Universe: Observing Beyond Hubble with the Chandra and Spitzer Space Telescopes," and will highlight violent processes and dust-enshrouded objects revealed only by searching for signatures in x-ray and infrared light. ...

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• Amateur Astronomers Association of Princeton

To see a Russian version of this page, click here . ... Graduated from Moscow State University (MSU), Faculty of Physics in 1976. Ph.D. degree - 1988, MSU. Main field of scientific activities: photometric investigations of various stars, close binary stellar systems and other astronomical objects, including research with use of fast photoelectric photometry with a high time resolution till 1 millisecond. ... New portable photometer . ... Send your mail to: tem@sai.msu.ru ...

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• Tatjana Khruzina
• Elena Seifina

. home . product . gallery . contact .

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• Astrosib - Telescopes of Ritchey-Chretien system - RC360
• Astrosib - Telescopes of Ritchey-Chretien system - RC400
• Astrosib - Telescopes of Ritchey-Chretien system - RC500

... Home Gallery Club Events Stereoviews of Telescopes . ... Lecture Series 2014-2015 . ... AAA Fall Astronomy Class: Astronomy Basics тАУ October-November 2015 . ... Clear Sky Chart . ... This MonthтАЩs Sky тАУ April 2015 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning 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 . ...

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• Lecture Series 2009-2010 ? ?Best Targets for Amateur Astrophotography and What
• Observing Resources for Amateur Astronomers ? Part 3: Advanced Observers ?
• Michael Krypel Gallery ? Amateur Astronomers Association of New York

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54. M31.SPB.RU: Archive - Books - ZRT 457 MP 20x60

55. Izmccd

56. Accuracy of World positional CCD observations of the numbered minor planets

57. http://lnfm1.sai.msu.ru/~victor/eng/ait/photombp.htm

58. Pulkovo NEO Page: Ephemeris Support

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60. Astronomy