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• Focal line
• Image directory

Meade Forum Message . Forums: . ... Discussion Forums | Meade Equipment Discussion | ... Where Is ETX 90EC Focal Plane Positioned? ... I'd like to use my ETX 90EC for spectroscopy. I have an optical fiber spectrometer and I need to place it exactly on the focal plane. ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• Magnification (Power) And Using Eyepieces - an Astronomy Net Article
• ETX 90EC - an Astronomy Net Meade Equipment Forum Message
• With 26mm It Is 48x - an Astronomy Net Meade Equipment Forum Message

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• Бутсы зальные Nike - Nike - Nike Акустические системы Focal-JMlab
• Gehwol Huhneraugen-Pflaster - Мозольный пластырь 9 шт - Gehwol - Gehwol
• Пижама Name It - Name It - Name It K?niglich Tettau Jade Tampere Подогреватель

ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australian Square Kilometre Array Pathfinder . Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . ... ATCA | ... The Australia Telescope National Facility Colloquium . ... The relationship between the size of a focal plane array in a prime focus dish and achievable scan angle is studied in order to find a starting point for designing such systems. ...

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. home . product . gallery . contact .

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• Astrosib - Telescopes of Ritchey-Chretien system - RC400
• Astrosib - Telescopes of Ritchey-Chretien system - RC500
• ASTROSIB FFC-14, 16, 20 Field flattener-corrector

The focal plane window shows the orientation of the sky and axes relative to the focal plane, and also (via the outer spiral) the wrap of the instrument rotator. ... The coordinate frames are shown with respect to the CCD; i.e. they show how things look on your image (unless your image viewing software introduces a flip). ... All axes will either be right handed or left handed, depending on how many mirrors are in the light path and which corner of the CCD is read out. ...

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• Scale adjustment
• Zemax file

05/10/2007 1:01 PM . ... Original: 1936x1296 (418k) . ... Thumbnail: 200x134 (68k) . Flash: Flash fired, auto mode, return light detected . Exposure time: 10/2000s . Focal length: 18.0mm . Aperture: f/8 . ... Original: 1936x1296 (314k) . ... Thumbnail: 200x134 (69k) . Flash: Flash did not fire . Exposure time: 10/1600s . ... Original: 1936x1296 (388k) . ... Flash: Flash did not fire, auto mode . ... Focal length: 7.9mm . ... Focal length: 13.7mm . ... Focal length: 6.3mm . ...

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• Hardware sector, archive 1999

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• Roba Simone Busoni
• LonGSp: Optical Design
• Descrizione tecnica NICS

RTT150 . Russian-Turkish 1.5-m Telescope . ... Until 2002 observations were mostly performed with ST-8E CCD in the 1:7.7 Cassegrain focus. ... In April, 2003 telescope was equipped with a larger-size CCD Andor DW436 . ... 2048 x 2048 pixels, . ... Since summer of 2002 the main focal detector of the RTT150 telescope was AP47p CCD in 1:7.7 Cassegrain focus. ... During September 3-13, 2002 works on installation of new autoguiding system ( photo 1 ) were carried out on RTT150 telescope. ...

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• Russian Turkish 1.5-m telescope
• RTT150 Optical Systems

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des actualit–їs . des reportages . ... les plus belles images de l'Univers d–їcrypt–їes pour vous . ... Accueil Observation : V–їnus traverse lвАЩamas de la Cr–Rche . ... L'amas de la Cr–Rche est l'un des plus spectaculaires du ciel. ... sur les autres observations –Љ r–їaliser cette semaine, –їcoutez notre podcast –Йph–їm–їrides , avec Bernard Nomblot, Jean-Eudes Arlot et S–їbastien Fontaine sur le site Ciel & Espace Radio . ...

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• Cette nuit, observez Jupiter qui occulte une –їtoile ! | Ciel et Espace
• Cette nuit, observez les Orionides! | Ciel et Espace
• B†йtelgeuse expulse un gigantesque panache de gaz | Ciel et Espace

... Free Telescopes for Schools in Northern Ireland . ... The Society for Popular Astronomy is leading a project to give 1000 telescopes to secondary schools, with support from the Science and Technology Facilities Council and the Royal Astronomical Society, to encourage schools to celebrate the International Year of Astronomy. ... ТЗ School display on astronomy . ... Register with all Ireland astronomy schools competition 2009. ... International Year of Astronomy, Ireland National Node . ...

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• Armagh Observatory
• The Horsehead Nebula | International Year of Astronomy in Ireland | Astronomy
• Armagh Observatory Virtual Visit

... Checkout of EM of all devices installed in the Focal Container has been done as a preparation to deliver them to LA. ... Device Container (DC) equipped with the thermal models of scientific payload was assembled with the Thermo-Vacuum Model (TVM) of the Spacecraft Bus. ... Focal Module equipped with the thermal models of scientific payload is prepared for thermal tests of special cryogenic system which will be used for LNA cooling during Pushchino test. ... DM        - Device Module = DC + H-maser ....

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• ОТЧЕТ

Double Stars Drawing Worksheet Name: Date: Location: Double Star ( Object ): Antoniadi Seeing: Limiting Magnitude: Telescope Type: Telescope Aperture : Telescope Focal Length : Eyepiece Focal Length : Estimated P.A.: Color and Other Notes : Double Star ( Object ): Telescope Type: Telescope Aperture : Telescope Focal Length : Eyepiece ...

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• http://www.atmob.org/about/observing/awards/files/galaxy_drawings_2011-02-01.pdf
• http://www.atmob.org/about/observing/awards/files/globular_cluster_drawings_2011-02-01.pdf
• http://www.atmob.org/about/observing/awards/files/open_cluster_drawings_2011-02-01.pdf

The basic characteristics of the instrument are set by the aperture, focal length and resolution of the image forming lens, the dispersion of the spectrometer, and the sensitivity of the detector. ... The lens is internally focused, and maintains acceptable focus (2 pixels in the detector plane) over a typical spectral coverage of one grating setting. ... along the spatial dimension of a 25mm square detector in the final spectral image plane the 400mm lens is 3.2њ. ... Diffraction grating . ...

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• University of Louisville Research Telescope at Mount Kent
• University of Louisville Research Telescope
• Fisheye View of Moore Observatory

... Астронет | ... Словарь | ... О словаре . ... Термин "ratio" . ... отношение . ... рда.) глубина модуляции (интерференционной картины) . ... ratio of optical to radio emission : . рда.) отношение интенсивностей оптического излучения и радиоизлучения . ratio of radio to light emission : . см. ratio of radio to optical power emitted . ... рда.) отношение радиоинтенсивности и оптической интенсивности излучения . ... Cassegrain focal ratio : . ... см. focal ratio . ... intensity ratio : . ...

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• A Strawberry Moon
• Астронет > The Medusa Nebula
• The Medusa Nebula

Next: The Lynxx Up: The Care and Previous: The Computer Hardware . Currently, there are three CCD systems available at Mt. ... The Santa Barbara Instrument Group (SBIG) ST-4 is an 8-bit camera used primarily for tracking. ... However depending on the exact specifications of the observation, it is possible to under sample the data when using a focal reducer. Each camera is utilized in different areas of data collection. ... Technical Specifications Of The CCD Cameras. ... The Lynxx . ...

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. This color image was obtained with Fuji color film (Super Plus 400) in focal plane of the 70-cm reflector (F = 27 m) at Lisniki Observatory by A.M.Evtushevsky. Data and time of observation: April 27, 1997, 21:25 LT. Comet-Earth distance: 1.7 a.u. Time of exposure: 10 min. Field of view : 3 minutes of arc. Distance between shells, in average: 15 000 km. Diameter of bright coma in the picture center: of about 5 000 km. Last updated: January, 2005.

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STARTEST IMAGES GALLERY . Type: Maksutov Cassegrain . ... Inside Focus . ... Outside Focus . ... These is are the startest images of two alike 6"F/10 Maksutov Cassegrain’s. The central obstruction on these images is slightly larger than in the reality. ... Another rather easy done simulation for the second image from the left in the second table with images. ... Also the middle-ring is brighter in the simulation according to the PSF’s , this is however not so clear when you look at the images. ...

19. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B04820F8C-20A2-484A-A945-87F315D0F80B%7D

20. ASP: M11 Astrometric Report