... The described algorithm is suitable for measurements of complex images of stars. ... a) the zero-based number of stars in the complex (multicentric) image, . b) set of preliminary coordinates - x i , y i , for all stars, index i is number of a star, . ... i - index of a star in the complex image; . ... These parameters are calculated by a nonlinear method of a least squares.The main output parameters of this algorithm are x i , y i ; where the index i is number of a star in the multicentric image. ...

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RADIOASTROPHYSICAL DEPARTMENT • INSTITUTE OF SOLAR-TERRESTRIAL PHYSICS RAS SB . General information Main characteristics of the Radio telescope Observing programs General view of the antenna array Main research areas Principle of generation of radio images Radio telescope 's beam Receiving systems Main characteristics of the base receiving-recording complex Calibrations Data archive and databases Publication SSRT - Siberian Solar Radio Telescope . ...

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• Radioastrophysical department ISTP RAS SB

... Spherical aberration, coma, and astigmatism are also easily observed using the star test. ... Off-axis images are complex. ... Fig. ... Diffraction by a circular aperture as a function of defocus for no aberration Airy Disk 1 wave defocus Less than 1 wave defocus Fig. ... Diffraction by a circular aperture as a function of defocus for third-order spherical aberration Paraxial Focus Small distance inside paraxial focus Moderate distance from marginal focus Immediate neighborhood of marginal focus Fig...

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• http://vega.inp.nsk.su/~inest/ASCOM/Scriptable%20Components%20and%20Engines/ASCOM%20FITS%20driver/header.vbs
• http://vega.inp.nsk.su/~inest/ASCOM/Scriptable%20Components%20and%20Engines/ASCOM%20FITS%20driver/read.vbs
• Index of /~inest/astrolib/Sun/ph_sys_images

SAI VO . ... Web Services . Catalog Access Services . ... SAI Web Services . ... This service aims to automatically match stars in FITS image provided with catalogue and add the correct WCS keywords to its FITS header. ... Service Web Interface . ... The service is available here To use it, you has to provide the image as a Base64-encoded string, along with the rough information on image field of view size and center (the latter may be deduced from FITS header keywords like 'RA' and 'DEC'). ...

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• astro-ph
• WCSFix - Web Interface
• saivo:siapservices [SAI Virtual Observatory - Wiki]

... Free image alignment/stacking/processing Software . My lunar drawings . ... REAL TELESCOPES . ... Download Pocket-Aberrator . ... The Aberrator is freeware that generates star-testing images to show the effects of aberrations (distortions) influencing the quality of a telescopes performance. ... The idea to make a program like the Aberrator I got after studying many internet-sites on star-testing and often the effects of certain aberrations were only available as literal descriptions. ...

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• Maksutov150_1

... If you want to change the appereance, please edit <A HREF="./index.txt">index.txt (template) file</A>. CONVERT=convert -interlace line # IMAGE_FILE = index.txt #TEXT_COLOR=black #IMAGE_TYPE=jpg #VERSION=v. 0.40 #COL_NUMBER=3 #BG_COLOR=silver #SUB_DIR=vecher #EMAIL=havlik@ap.univie.ac.at # HOME =http://www.ap.univie.ac.at/users/havlik/Downloads #TAIL= P H1 A HREF =\ ../$$hr{INDEX}\ TARGET =\ $ TARGETS [0]\ UP /A A HREF =\ $$hr{ HOME }\ TARGET =\ $ TARGETS [0]\ ...

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• http://www.pereplet.ru/vecher/07_iul_00/index.txt
• "Урания" - Портал "Русский переплет" Soros Education Journal

... a target=_top href="http://www.buran.ru/"> . img border=0 width=126 height=63 alt="www.buran.ru" . src="http://www.buran.ru/ images/gif/anbur63.gif "> . ... src="http://www.buran.ru/ images/gif/anbur633.gif "> . ... src="http://www.buran.ru/ images/gif/anbur634.gif "> . ... src="http://www.buran.ru/ images/gif/anbur632.gif "> . ... img border=0 width=100 height=50 alt="www.buran.ru" . ... img border=0 width=468 height=60 alt="www.buran.ru" . ...

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Space Agencies and Centres . Space research . ... BNSC - British National Space Centre . ... CNES - Centre National d' tudes Spatiales, France . ... NASDA - National Space Development Agency (Earth Observation Center), Japan . ... NASA Spacelink , includes information about the Mir station . ... John F. Kennedy Astronomy Observatory , contains rich list of astronomy sites . ... LIFE Magazine Space Links . ... Copyright RSSI 1993-1997, Space Research Institute RAS Network Information Centre ...

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... AO-4 . The space VLBI Mission RadioAstron, led by the Astro Space Center (ASC) of Lebedev Physical Institute, provides a range of specific and unique capabilities for detecting and imaging sources of cosmic radio emission at the highest angular resolution. ... AO-4 observations will be performed between July 2016 and June 2017 inclusive. ... The RadioAstron Announcement of Opportunity - 4; . The RadioAstron User's Handbook ; . ... RadioAstron observations status summary . ...

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• Usefull Links
• Description of the RadioAstron project, english version

... Solar Data: f.e. X-ray . Night Sky Live . ... Heavens-Above: Sky chart, Satellites, Iridiums and astronomical objects For Moscow For SAO Baksan . ... ESO-MIDAS page . ... Tutorials for Astronomy . ... Asteroid and Comet Hazard . ... Observable Comets: This page lists links to orbital elements and ephemerides of (potentially) observable comets. ... Leonid page - a lot of information for years Comets and Meteor Showers . The American Meteor Society . ... North American Meteor Network Home Page . ...

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• Pictures, information about some cities
• American and Canadian
• Europian Scientific Organizations

. General Information . Media Files . Participants . Timetable . Local Information . Photos . Back to the album list . Previous . Next Click the image to view it in fullsize. Previous . Next . View of Beshtau mountain from the spot of ASM of SAI. Beshtau is an isolated five-domed mountain near Pyatigorsk. Its height is 1402 m, distance to mountain is 52 km.

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• Observatories
• Photos by Marc Sarazin
• Kislovodsk

Personal Pages of Astronomers . ... home | ... Jarle Aasland (Comet Hale-Bopp: Norwegian Images) . ... Howard C. Anderson (Astrophotography Images and Information) . ... Patrick J. Anway (Lookum Observatory) . ... Peter Armstrong (ScanCam Home Page) . ... Bill Arnett's Astronomy Page . ... Astro Nights home page ( Australia ) . ... Alex Michael Bonnici (Space Exploration) . ... Michael Boschat . ... Brendan's Astronomy Page ( Republic of Ireland ) . ... Steve's Astronomy and Astrophotography page . ...

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... 16-mm/2.8 Fish-eye . ... I set up my Edixa Prismaflex TTL on a tripod outside the dome at Zeiss 50" and opened the camera for several hours. The 2.6 m Shain reflector is visible at center. The time exposure of about 5 hours duration showing circumpolar stars. The dome can be seen to blur slightly due to their motion during the exposure. Back to Astronomical Images Home Page . ...

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• Analemma
• AstroPhoto page
• CrAO Photo page

CLEAN Map ps -- is a plot of the naturally weighted CLEAN image. The lowest contour levels (2 steps) on image is plotted at "clev" levels [Jy/beam], the peak brightness -- "max" values [Jy/beam]. The dashed contours indicate negative flux. The beam is shown in the bottom left corner of the images. The plot is in postscript format.

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Determination of short-term proper motions of fast stars with Pulkovo Normal Astrograph. ... Khovritchev Laboratory of Astrometry and Stellar Astronomy of the Pulkovo Observatory, RAS, Saint-Petersburg Observations Normal Astrograph (D/F=33 cm/3.5m), CCD camera: S2C, FOV = 18x16 arcmin, Pixel size 900x900 mas Determination of the new proper motions of 413 LSPM stars 1 epoch : CCD-surveys and catalogs -- M2000, CMC14, 2MASS, SDSS DR7 2 epoch : CCD-observations with the ...

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• http://www.puldb.ru/nikolaev_2011/PUB_NIKOLAEV_2011/damian.pdf
• Pulkovo Databases

. Comment on J0120-2701 . A VLBI image at 5 GHz is published by Shen et al. (1998). Their centrally symmetric S-shape structure is not confirmed from our image. It is a prominent radio and X-ray source. VLBApls home page . Last modified: 16 Oct 2000

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• J0137+3309
• J0136+4751
• J0927+3902

Электронная библиотека астронома-любителя. ... библиотека . архив RSN . ... Ru.Space.News: . Апрель 1998 . ... Дата: 03 апреля 1998 (1998-04-03) От: Alexander Bondugin Тема: Hubble Reveals Details Of A Newly Born Planetary Nebula Привет всем! ... STScI-PR98-15 HUBBLE REVEALS DETAILS OF A NEWLY BORN PLANETARY NEBULA Astronomers have caught a peek at a rare moment in the final stages of a star's life: a ballooning shroud of gas cast off by a dying star flicking on its stellar light bulb. ...

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• Электронная библиотека астронома-любителя. RU.SPACE.NEWS - архив за 10 апреля
• Электронная библиотека астронома-любителя. RU.SPACE.NEWS - архив за 08 мая...
• Электронная библиотека астронома-любителя. RU.SPACE.NEWS - архив за 03 марта

. (Data examples) . Russian . 4/03/1997 21:00 GMT . Image with coastal line and coordinate grid overlayed . (image size 784x521) . 6/03/1997 21:00 GMT . Image with coastal line and coordinate grid overlayed . (image size 512x512) . Moon disc captured by GOMS . (image size 1024x1024) . For information send a mail to: admin@planeta.rssi.ru . All rights reserved. © 1997-2002 SMIS IKI RAN and SRC PLANETA, Moscow, Russia.

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• SPUTNIK, SST Adriatic Sea
• SPUTNIK, SST Baltic Sea
• SPUTNIK, SST Barents Sea

Альтернативный форум . Scientific.ru Все форумы . ... Chernov V.M. Non-Archimedian Normalized Fields and Аlgorithms for Two-Dimensional Discrete Fourier Transform. Pattern Reсogn. and Image Analysis.- ... Чернов В. М. О точности вычисления дискретной круговой свертки в нормированных полях. ... Чернов В.М. О дискретном "метапреобразовании" в кольце аделей глобального поля. ... Chernov V.M.,Shabashev A.V. Non-Archimedian normalized fields in texture analysis tasks. ... V.M.Chernov. ...

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• Главные марсианские вулканы: Альба Патера
• Главные марсианские вулканы: гора Олимп
• Главные марсианские вулканы: Гора Арсия

. Астрофизика . Картинки . Адреса . Обсерватории . Телескопы . Спектрографы . Светоприемники . Базы данных . Звезды . Солнце . Планеты . Атмосфера . Обо мне . Резюме . Публикации . Проекты . Лекции . Темы работ . Литература . Периодика . Карты . Погода . Web-камеры . Фразы . Любителю, . студенту, . аспиранту, . профессионалу. В.Панчук (V.Panchuk) .