This groups includes about 200 communication satellites ("comsats") scattered in synchronous orbits above the Earth's equator. ... 6 Earth radii (42,000 km or 26,000 miles), these satellite make one orbit per day, and therefore as the Earth turns, they always stay above the same ground station. ... Still another application is the 24-satellite network of the "Global Positioning System" (GPS), in circular orbits at distances of about 4.1 Earth radii (26,000 km or 16,000 miles). ...

... 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 . ...

... Home Astro-Imaging OLYMPUS DIGITAL CAMERA . ... Lecture Series 2014-2015 . ... Clear Sky Chart . ... This Month's Sky - 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 . ... Published February 15, 2015 at dimensions 2048 1536 in OLYMPUS DIGITAL CAMERA . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

This page is devoted to information on Supernova 1998T in NGC 3690 . Information on the original web pages for many of these images can be found on the Supernova links web page. ... According to http://www.cv.nrao.edu/~jhibbard/a299/a299.html and http://www.ifa.hawaii.edu/postdocs/vacca/images/arp299buv.html it follows that Arp 299 (aka Mrk 171) is made up of IC 694 (UGC 646471) on the east and NGC 3690 (H-247-1) (UGC 646472) on the west. ... Other images of 1998T . Ayabe image . ...

. Periodic orbits in photogravitational three-body problem . A. S. Zimovschikov 1 , N. N. Titova 2 , V. N. Tkhai 1 . 1 Moscow State Academy of Instrument Making and Computer Science, Moscow, Russia . 2 A. A. Dorodnitsyn Computing Center of Russian Academy of Sciences, Moscow, Russia Abstract: . No abstract Key words: . Very Long Baseline Interferometry (VLBI), celestial mechanics, photogravitational three-body problem, periodic orbits.

... The unlocked gate at the entrance to the observatoryтАЩs gravel driveway should remain closed to prevent the public from driving back to the observatory. ... This means that if there are still members of the public present at the observatory who do not wish to leave by 11:30 PM they will be locked in the park until a keyholder leaves and secures the gate(s) behind him/her. ... Roll the roof back using the hand crank near the computer room. ... Amateur Astronomers Association of Princeton, Inc., ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... les plus belles images de l'Univers d–їcrypt–їes pour vous . ... des pages consacr–їes –Љ la publication de vos photos Mais c'est aussi une vraie communaut–ї avec laquelle partager votre passion et nourrir votre curiosit–ї. ... Les plan–Rtes, les –їtoiles, les n–їbuleuses, les galaxies, jusqu'aux grandes structures de l'Univers : les astronomes font tout pour les voir en relief. ... 09/11/2015 - Penser l'Univers aujourd'hui . ...

NAME apachectl - Apache HTTP server control interface SYNOPSIS apachectl command [.. DESCRIPTION apachectl is a front end to the Apache HyperText Transfer Protocol (HTTP) server. It is designed to help the adminis- trator control the functioning of the Apache httpd daemon. NOTE: If your Apache installation uses non-standard paths, you will need to edit the apachectl script to set the appropriate paths to your PID file and your httpd binary. See the comments in the script for details. ...

Journal of Atmospheric and Solar-Terrestrial Physics Manuscript Draft Manuscript Number: ATP1021 Title: comment on the paper by Dalin , Pertsev and Romejko Significance of lunar impact on noctilucent clouds ( revised version) Article Type: Research Paper Section/Category: Keywords: Noctilucent clouds moon influence mesosphere Manuscript Region of Origin: Abstract: a critical review of the paper by Dalin , ... Reference: Dalin, P.A., N.N. Pertsev, V.A. Romejko. ...

... It was done. ... Agenda of the RadioAstron teleconference August 25, 2010 Corrections to the Agenda 1 2 3 N. Kardashev N. Kardashev N. Babakin Project status Present status of tests of science payload in LA Brief review of Pushchino TS verifications with Venus Express: current status and outlook Current status and activities related to TS in South Africa and in New Zealand Action items L.Gurvits S.Likhachev S.Gulyaev M.Popov 4 5 Chairman: N.Kardashev List of ...

Open Systems Handbook: A Guide to Building Open Systems . ... This book is designed to provide interested individuals and organizations with an overview of open systems and the work being done to achieve them. ... This section is organized using a descriptive model of an open systems environment developed by the IEEE PI 003.0 Working Group, which is developing the Guide to POSIX-based Open System Architecture. ... Standards for open systems 13 . Chapter 3: The open systems environment (OSE) 15 . ...

Общая Астрономическая Конференция > Товары для астрономов > Полезное для астрономии . Astronomy with a home Computer (Patrick Moore's Practical Astronomy Series) . ... Астрономический Online журнал . ... Лунные феномены (редкие, необычные явления) Жизнь астрономов-любителей Анонсы астрономических мероприятий Астрономические клубы Наш "Старлаб" . ...

Progress in science is inversely proportional to the number of journals" . ... PHYSICS JOURNALS . SPIRES-HEP Database Covers more than 415,000 high-energy physics related articles, including journal papers, preprints, e-prints, technical reports, conference papers and theses, received by the SLAC and/or DESY Libraries since 1974. ... Journal of Physics G: Nuclear and Particle Physics . ... Journal of Geometry and Physics (Special Issues) . ... Journal of Nuclear Materials (Special Issues) . ...

Загрузить программу (~10 MB). ... Программа izmccd предназначена для высокоточной астрометрической обработки числовых изображений небесных объектов. Программа позволяет получать как измеренные, так и экваториальные координаты малых планет, комет, спутников больших планет, визуально-двойных звезд и других объектов, а также идентифицировать уже известные малые планеты и найти на числовых изображениях движущиеся объекты. ... Программа является бесплатной. ... Автоматическая обработка, один объект. ...

Stellarium 0.12.3 . ... Plugins . ... FileљStructure . FileљList . FileљMembers . plugins . Satellites . src . gsatellite . gVector.hpp . ... 2 љ * Name: gVector.hpp . ... Generated on Sat Aug 10 2013 17:12:43 for Stellarium by љ 1.8.3.1 ...

... An Archival System for Observational Data Obtained at the Okayama and Kiso Observatories. ... MOKA3 consists of three parts: 1) a distributed database system which manages the obser­ vational data archive of Okayama and Kiso observatories, 2) a Web­based data search and request system, and 3) a delivery system for requested data. ... The data flow of MOKA3 is shown in Figure 1. ... Distributed Database System The following three kinds of data files are managed in the MOKA3 distributed database...

Evolution of Our Atmosphere Original Atmosphere of H/He Lost ffl Secondary Atmosphere liberated due to planetes­ imal collisions with proto­earth that released volatiles trapped in grains ffl CO 2 + H 2 O (liquid) ) H 2 CO 3 (acid rain) ffl H 2 CO 3 + Ca ++ ) CaCO 3 (limestone) ffl H 2 CO 3 + CaMg(CO 3 ) 2 ) dolomites ffl N 2 ) chemically inert so it stays in atmosphere; N 2 cycle develops later ffl O 2 ) not present in original atmosphere; gotta make some critters first!

... ISC Kosmotras . ... Comments, Opinions Publications Dnepr Program . Dnepr launch record 17 August 2011. ... The success of PICARD launch re enforces our high level of appreciation of the quality of the DNEPR launcher and of the professionalism and efficiency of ISC Kosmotras. ... The distinguishing feature of the THEOS launch by a converted SS-18 ICBM (Dnepr LV) is that it was the first ISC Kosmotras mission from the Yasny launch site that headed southward to its Sun-synchronous target orbit. ...

SAI, graduates year 1982. ... Note: when just a 7-digit phone number is shown, it refers to a phone located in Moscow (international access 007-495). "+" in front of a number means that you must dial an international access code first (or just press "+" on your mobile phone keypad). ... 939-1672(work); . ... Ataev Sasha . 1-(703)-536-8881(home) (USA); . ... Bychkov Sergey . ... 1-(410)-740-8205(home), +1-(301)-286-2150(work) (USA); . ... 1-(412)-767-0332(home), +1-(412)-608-9339(mobile) (USA); . ...

The Richland Astronomical Society is a nonprofit organization formed in 1960 to promote the advancement of amateur astronomy. ... Mike Romine - President/Board Member . ... Bob Kocar - Treasurer/Board Member/Grant Coordinator . ... Eric Heintz - Assistant Observatory Director/Board Member . ... Tammy Plotner - President Emeritus/Webmaster (www.wro.org)/Astronomical League ALCor. ... Site content is maintained by Webmaster Tammy Plotner and Assistant Webmaster Greg DeChant All rights reserved. ...