... 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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... Adrift 1,500 light-years away in one of the night sky's most recognizable constellations, the glowing Orion Nebula and the dark Horsehead Nebula are contrasting cosmic vistas. ... This crowded star field towards the center of our Milky Way Galaxy turns out to be a great place to search for planets beyond our solar system. ... In fact, in this Visual and Infrared Mapping Spectrometer (VIMS) mosaic the famous rings are almost invisible, seen edge-on cutting across picture center. ...

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... 2010 October 5 . Horsehead and Orion Nebulas . ... Explanation: The dark Horsehead Nebula and the glowing Orion Nebula are contrasting cosmic vistas. ... The familiar Horsehead nebula appears as a dark cloud, a small silhouette notched against the long red glow at the lower left. Alnitak is the easternmost star in Orion's belt and is seen as the brightest star to the left of the Horsehead . ... The magnificent emission region, the Orion Nebula (aka M42), lies at the upper right. ...

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• APOD: 2013 October 29 - Horsehead and Orion Nebulas
• APOD: 2007 May 11 - LDN 1622: Dark Nebula in Orion
• APOD: 2009 March 10 - Horsehead and Orion Nebulae

Astronotes Armagh Planetarium's Stellar Blog! ... Universe . ... Space Flight . ... September . ... Posted on October 1, 2010 | 2 Comments In, say 1975, there was only one kind of ?stuff? in the Universe, matter made of protons and neutrons. ... Continue Reading.. ... No Comments We all love bright and showy spiral galaxies! ... Posted on September 27, 2010 | ... No Comments Dark matter and its part in the evolution of the Universe is revealed by new data collected by the Hubble Space Telescope. ...

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• Orion, mighty hunter of the winter sky | Astronotes
• Our Galaxy | Astronotes - Part 5
• M78 off Orion: Bladerunner Nebula? | Astronotes

... NGC 1788 Fox Face Nebula & Lynds 1616 dark nebula - отражательная туманность Лисья мордочка и ее непрозрачная часть - темная туманность в созвездии Орион (Orion) .. ... Просмотр полной версии : NGC 1788 Fox Face Nebula & Lynds 1616 dark nebula - отражательная туманность Лисья мордочка и ее непрозрачная часть - темная туманность в созвездии Орион (Orion) .. ... Координаты отражательной туманности NGC 1788 Fox Face Nebula .: ... Как найти отражательную туманность NGC 1788 Fox Face Nebula? ...

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• Coalsack Dark Nebula или Black Magellanic Cloud - темная туманность Угольный
• Общая Астрономическая Конференция - Показать сообщение отдельно - NGC 1788 Fox
• Общая Астрономическая Конференция - Показать сообщение отдельно - Coalsack Dark

... Tonight's Sky . ... The Magazine . ... Observing . ... Magazine . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... The Golden Earring, planetary nebula NGC 2867, and barred spiral galaxy NGC 3109 . ... Astronomy for Kids . ... The Horsehead Nebula in Orion . ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine . ...

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• Open cluster NGC 1857, the Crystal Ball Nebula (NGC 1514), and dark nebula
• A dark patch in Orion star formation | Astronomy.com
• The Iris Nebula in the constellation Cepheus | Astronomy.com

. The light nebula in Orion constellation. The nebula in Orion's constellation is the cloud of ionized hydrogen, luminiscenting due to reworking of four stars irradiation (these stars are seen because of the great brightness of the central part of nebula). Back .

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• tumor2photoe
• b26photoe
• orione

... July 13, 1999 . The Flame Nebula in Infrared . ... Explanation: What lights up the Flame Nebula? Fifteen hundred light years away towards the constellation of Orion lies a nebula which, from its glow and dark dust lanes, appears like a billowing fire. ... Rather the bright star Alnitak , the easternmost star in the Belt of Orion visible to the nebula's right, shines energetic light into the Flame that knocks electrons away from the great clouds of hydrogen gas that reside there. ...

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• APOD: 2000 April 24 - Reflection Nebula M78
• APOD: 2000 December 29 - The Dark Horsehead Nebula
• Astronomy Picture of the Day

... As an experiment, I made some three-color images of Messier 42, more commonly known as the Great Nebula of Orion. ... green enhanced . ... halfsize or fullsize . ... Each image is a ``true color'' composite of three monochromatic images, in which the red, green, and blue intensities each correspond to the intensity of one of the original images. ... The HST image is assembled from different filters than mine: red is Nitrogen [II] at 6583 , green is H-alpha at 6563 , and blue is O [III] at 5007 . ...

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• The Tarantula Nebula

Astronomy Discussion Forums . Forums: . ... Discussion Forums . ... Orion . Forum List | ... Post Message | ... Posted by L Madia on October 15, 2003 17:24:24 UTC . ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• "Back To The Astronomy Cafe" Book Review - an Astronomy Net Article
• Back Bay Amateur Astronomers, AstroGuide Listing
• Dark Matter? - an Astronomy Net Bigbang Forum Message

Turning the Camera Skyward . A reconfigured camera can take wide-field exposures of astronomical objects (constellations, the Milky Way, zodiacal light, moving artificial satellites, meteor showers, variable stars, etc.) to reveal much fainter objects and structures than seen by naked eye. ... This picture reveals objects more than 2.5 times fainter than can be seen by the naked eye, including not only stars but also the Orion nebula (M42), where new stars are being born. ...

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• ASP: Taking a Grand Virtual Voyage in the Milky Way
• ASP: Dark Night
• ASP: Sharing the Night Sky with Your Students

... HST . STIS is Back, Alive, and Kicking . ... Data . ... HST Peer Review Process . ... HST Overview . Overview . ... Phase I Proposing . ... Phase II Cycle 23 . ... Retrieving HST Data . ... Data Analysis . ... HST Science Year in Review . ... STIS . ... STIS Data Handbook . ... The STIS has been recovered on Tuesday July 10th using the redundant "side 2" electronics, and several test exposures have been taken since then. ... All significant components of STIS have now been exercised on side 2. ...

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• The Orion Nebula Cluster . as a Paradigm of Star Formation
• New Page 1

I was wondering what conditions should be met to have the "darkest" sky .. ... Upon the above publication of the Southern Galactic hemisphere, TunГ Tezel started seeking opportunities to create the Northern counterpart image. ... So, the initial quest of having the darkest possible sky have delivered us these two all-sky images of the two galactic hemispheres as seen from Planet Earth. Zoomable and 'full-screenable' fisheye view of the "darkest sky" Southern Galactic Hemisphere image. ...

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• Barnard 59, a dark nebula in the constellation of Ophiuchus | ESO
• Barnard 59, a dark nebula in the constellation of Ophiuchus | ESO Ireland
• Barnard 59, a dark nebula in the constellation of Ophiuchus | ESO Australia

Photon Scattering: Basic Principle of Photon Scattering . Audio Narration is available . No Scattering: Photon Source and Detector . ... For optical photons, scattering goes as wavelength to the -4 power. In the case of blue photons compared to red photons, this means that blue photons are about 10 times more likely to get scattered than red photons. ... Watch the blue photons scatter away from the detector . ... Interstellar dust make stars appear redder than they really are . ...

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• Thermal History of the Universe
• Dark Matter in the Universe

. SOME OF ORION TREASURES: . All images taken with 150/695mm homemade Newton reflector + SBIG ST6 CCD camera (falsecolors) . The "Flame" nebula . "Horse Head" dark nebula . Messier 78 diffuse nebula . HOME (Eng) | HOME (Rus)

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Next: Particle Background Rejection Up: Detection Efficiency Previous: Front Illumination . ... The method requires that the CCD substrate be etched from the rear towards the depletion layer boundary. The device can be illuminated through this rear surface, which has a much thinner dead layer than the electrode side. ... The corresponding detection efficiency data are presented in Figure 7, and compared with the predicted data for a 20 m thick depletion layer. ...

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• Getting back your task defaults
• Dark current and cooling
• CCD Scientific Performance

GALAXIES cenA .tiff 40 Bright Radio Galaxy M31.tiff Nikon Andromeda Galaxy (note HII regions in spiral arms) ngc6744.tiff 40 NGC 6744 a face-on spiral clouds_20d.tiff H'blad The Magellanic Clouds our nearest neighbours Lmc_7.tiff Nikon The Large Magellanic Clouds Lmc_zoom.tiff Nikon Detail of previous image smc_7.tiff Nikon The Small Magellanic Clouds smc-zoom.tiff Nikon Detail of previous image 30dor_40_BVR.tiff 40 The 30 Dor ... B [OIII] Halpha trifid.tiff 40" The Trifid Nebula. ...

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• Orion Nebula
• Orion Nebula (40 inch)
• Orion Nebula by the Hubble Space Telescope

... 6-50, 8-00, 8-40, 9-20, 9-45, 10-05, 10-20, 10-25, 10-38, 11-00, 11-35, 11-50, 11-55, 12-25, 13-00, 13-30, 13-55, 14-15, 14-45, 15-25, 15-35, 16-00, 16-45, 17-15, 17-45, 18-50 . ... Ispravnaya: 6-10, 8-45, 12-00, 13-20, 16-45, 18-30 . ... Nalchik: 6-12, 8-00, 9-29, 11-15, 11-31, 11-50, 12-00, 12-38, 13-00, 13-15, 13-41, 14-50, 15-45, 16-08, 16-35, 17-00, 17-30, 18-30, 18-35, 18-52, 18-55, 19-35, 21-00, 23-00 . ... Vladikavkaz: 9-29, 12-00, 13-00, 14-50, 15-45, 17-30, 18-30, 23-00 . ...

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• Bus timetable from Zelenchukskaya and back
• Bus timetable from Zelenchukskaya and back, 2006
• Bus timetable from Zelenchuk and back

. Home . News . Gallery . Events . Twitter . Press Releases . Links . Contact Us . Calendar . Press & Web Coverage . Previous . Next . List . Tuesday, 16 June 2009 14:02 . International Year of Astronomy, Ireland National Node . [Back To Top] .

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• Armagh Observatory
• Nebula | International Year of Astronomy in Ireland | Astronomy 2009
• Astro-Art | International Year of Astronomy in Ireland | Astronomy 2009

1.2 CCD Operations, Performance Parameters, and CCD . Transfer Curves . Low-light-level CCD performance parameters are grouped into four primary CCD operations: 1) Charge Generation (e.g. QE), 2) Charge Collection (e.g. MTF), 3) Charge Transfer (e.g. CTE), and 4) Charge Detection (e.g. Read Noise). ... Four Basic CCD Operations and Associated Performance Parameters and CCD Transfer Curves Used to Measure Performance . ... Charge Transfer Performance Parameters and CCD Transfer Curve Tests . ...

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• Dark-current and particle hits correction
• Electron bombarded sensors-reliability
• Links example continued