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. Pulkovo Observatory of Russian Academy of Sciences is situated . near Saint-Petersburg. It was founded in 1839. 196140, Saint-Petersburg, Pulkovskoye chaussee 65/1 . English version . Russian version . This page has been accessed times since May 1, 1999.

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... A Sun Halo over Utah . ... This fairly common sight occurs when high thin clouds containing millions of tiny ice crystals cover much of the sky. ... During the March 29 total solar eclipse, the Moon's dark central shadow or umbra is vanishing beyond the horizon in this dramatic view of the landscape a few kilometers southeast of Incesu, Anatolia, Turkey. ... The Crown of the Sun . ... During a total solar eclipse, the Sun's extensive outer atmosphere or corona is an awesome and inspirational sight. ...

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... Posts tagged ?Cover? ... Once, perhaps more, I mentioned this book in my post with the most celebrated paper by Shannon (see the posting ). ... Like many fields, Information theory has grown fast since the monumental debut paper by Shannon (1948) like the speed of astronomers observation techniques. ... Book] Elements of Information Theory? Tags: bandwidth , book , Cover , data mining , education , Entropy , Information theory , Kolmogorov complexity , Shannon , Thomas . ... Comment . ...

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• The AstroStat Slog HEAD
• The AstroStat Slog Blog Archive [AAS-HEAD 2011] Time Series in High Energy
• The AstroStat Slog Blog Archive The future of Very High Energy Gamma-Ray

Dust in galaxies can be mapped either by the FIR/submillimeter emission, the optical or infrared reddening of starlight, or the extinction of a known background source. ... We find that distant galaxies are predominantly in low-extinction sections marked by the color maps, indicating that their number depends both on the cloud cover of Spitzer-resolved dust structures, mostly the spiral arms, and a diffuse, unresolved underlying disk. ...

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• GOODS: The Great Observatories Origins Deep Survey

Next: Preface Up: Contents Previous: Contents . Cover Illustration: Two B- band images of the Phoenix dwarf galaxy at different epochs ( top ), and the difference of the two using new software to register and scale the images ( bottom left ) and to match their PSFs ( bottom right ). In the fully matched case about a dozen Cepheid variables are readily apparent, as is one high proper-motion star just below and left of center. ...

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• ADASS VII Cover Page
• ADASS VI Cover Page

... Telescopes . ... Superb optical performance coupled with time proven computerized pointing and tracking has made the LX200 ACF series a best-seller in the high-performance telescope class. ... Meade's revolutionary LS LightSwitchтДв series of telescopes use advanced technologies to do what no other consumer telescopes have done before: take all the hassle out of using a telescope. ... LX - Rear Thread Aluminum Dust Cover . ... Rear Thread Aluminum Dust Cover for SC and ACF optical tubes. ...

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• LX - Rear Thread Aluminum Dust Cover - Parts - Products
• Products
• Parts - Products

... Коляска X-Pulse beige X-Lander Икс Лендер отличный выбор для родителей, желающих приобрести небольшую легкую коляску, в которой малышу будет обеспечен комфорт и возможность хорошо отдохнуть во время сна на прогулке. ... Коляска - книжка . ... Цвет: Бежевый . ... Цвет: разноцветный . ... Размер: 1 . ... Размер в игровом положении, см: 274х152,5х76 . Назначение: для помещений . ... Материал каркаса: металл . ... Цвет: синий . ... Назначение: ноутбук . ... Коллекция: Осень-зима 2015/2016 . ...

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• Helmet cover flecktarn-desert - ASMC - ASMC Шлепанцы женские Havaianas STen
• Сидар Вуд Ever After High - Mattel - Mattel шпильки / каблуки
• Кроссовки Naturino Isao Модель: 28416334 - Naturino - Naturino Джинсы для

... Participants . ... On the workshop, we are going to cover two years of the development of combinatorial methods in geometry and mathematical physics. ... Traditionally, the workshop takes place at three locations: the Independent University of Moscow (3 days), the Steklov Mathematical Institute (2 days) and the Higher School of Economics (1 day). ... USA), R. Kashaev (Geneve), M. Kazarian (Steklov and HSE) D. Korotkin (Concordia Univ.) ... This covers also the welcome party and the conference dinner...

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... The first two working group reports (on Extrasolar Planets and the Herschel--ALMA Synergies) were released in 2005 and 2006, and this third report covers the area of Fundamental Cosmology. The Working Group's mandate was to concentrate on fundamental issues in cosmology, as exemplified by the following questions: . What are the essential questions in fundamental cosmology? ... What are the appropriate methods with which these key questions can be answered? ...

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• No Title
• VLT Status and Instruments

... Research . ... The major problem in HVC research is the unknown distance towards most of the HVCs. ... Thilker et al. (2004) used the Green Bank Telescope (GBT) to map an area of $7^{\circ} \times 7^{\circ}$ around M31 in H i . They discovered a population of HVCs located within a projected distance of about $50~\mathrm{kpc}$ from M31. ... 2004). ... The remaining HVCs around M31 are isolated in position and velocity and may represent primordial, dark-matter-dominated clouds. ...

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• The First Results from the Parkes Multibeam High-Velocity Cloud Survey
• Research - All-sky map of high-velocity clouds
• Research - Compact high-velocity clouds around the Milky Way

Sloan Digital Sky Survey Telescope Technical Note 19910801 . ... It has long been apparent that an all-sky picture of clouds over an observatory site and available in near real-time would be a great benefit to personnel using a telescope. ... We have anecdotal evidence from J.T. Williams of MMTO and David Westfall, formerly of CFHT and now of New Mexico Institute of Mining, that video-rate 10 micron cameras are very effective at imaging clouds. ... The focal length of the mirror is 25 mm. ...

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• APO Lamp Spectra
• Performance of the SDSS cloud scanner I: the first movie
• Atlas of APO Lamp Spectra

... Дни открытых дверей к юбилею САО РАН (12-14 апреля 2016 г.) . Международная конференция "Dark Ages and White Nights (Spectroscopy of the CMB)" (20-24 июня 2016 г.) . ... Международная конференция MULTI-SPIN GALAXIES - 2016 (26-30 сентября 2016 г.) . Международная астрономическая конференция "Физика звезд: от коллапса до коллапса" (3-7 октября 2016 г.) Архив . ... Подробнее.. ... 10.02.16 . ... БТА в реальном времени . ... Цейсс-1000 в реальном времени . ... Последнее обновление: 22/03/2016 ...

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... 2010 February 8 . A Sun Halo Over Cambodia . ... This fairly common sight occurs when high thin clouds containing millions of tiny ice crystals cover much of the sky. ... Because most of the crystals have a similar elongated hexagonal shape, light entering one crystal face and exiting through the opposing face refracts 22 degrees , which corresponds to the radius of the Sun halo . ... Exactly how ice-crystals form in clouds remains under investigation . ... About APOD | ...

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• APOD: 2000 May 15 - A Halo Around the Moon
• APOD: 2003 April 21 - A Halo Around the Moon
• APOD: 2012 November 20 - A Halo Around the Moon

... Space Research Institute . ... Main research and development work completed in 2009 and ready for implementation . ... Development of the Northern Eurasia land cover map based on medium spatial resolution satellite data. ... The research and development has been completed of the first in Russia and in the whole world high-speed digital streams decoder for space and satellite channels with extremely high noise levels. ... Main research and development work completed in 2008 and ready for...

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• OFO / IKI Developments
• The HARP Project and the Martlet
• Main results of the experimental and theoretical research completed in 2011

HARP Gun (Photo by Peter . ... HARP, for High Altitude Research Project, was a study of the upper atmosphere by instruments shot from a cannon. ... The cannon which propelled the Martlet to the high atmosphere was the creation of Gerald Bull, a Canadian engineer who specialized in the design of cannon. ... When the cannon fired--its loud bang was heard all over Barbados--the airtight cover over the muzzle was blown away and the Martlet rose into the high atmosphere, to altitudes of 80-90 miles. ...

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• SIMP > biological > increased productivity > env0508150840
• SIMP > physical > vortices > env0508150840
• The Sun's Corona

. Compact High-Velocity Clouds . Slide 2 . Slide 3 . Slide 4 . CHVCs observed with Arecibo . Effelsberg Observations of CHVCs . CHVCs at High Resolution & Sensitivity . Missing "Missing Satellites" . Slide 9 . Observational Perspectives . Author: . Best viewed with .

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• ALFAZOA Data Release
• Jodrell Multi-beam Virgo Survey

... Liyong Liu (NAOC) . Site testing on seeing conditions of the astronomical observatories over China are briefly reviewed, including Xionglong station of NAOC, Gaomeigu station of Yunnan Observatory, Delingha station of Purple Mountain Observatory. ... PDF [3.0?аMB] October 8, 09:55 10:20 . ... In this paper, we will review the site survey activities in the past years, and present the site-testing results on the Oma site, including cloud cover, seeing, water vapor, transparency and sky brightness. ...

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... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . Noctilucent clouds as photographed by Mark Bailey from Lisdoart on 14th July 2006 at 11.30 pm. ... These so-called noctilucent (night glowing) clouds (NLCs), are formed by sunlight reflecting off ice crystals high in the atmosphere, and usually appear in the northwest, through north to northeast during twilight in the late spring and summer months at our latitude. ...

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• C.J. Butler, Research Astronomer
• Noctilucent Clouds
• High Performance Computing Course

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• Ozone Depletion
• Astronomy HyperText Book: Fusion Sequences in Stars
• U of O High Energy Physics Seminars