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161. Amateur Telescope Makers of Boston
... Building Museum Quality Replicas of Galileo's Telescopes . ... This month's meeting will feature Jim and Rhoda Morris speaking on their replicas of Galileo's telescopes. ... With their background as physicist and chemist and their experimental skills the authors set about to make the most accurate replicas of these telescopes in existence today. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...
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Ссылки http://www.atmob.org/events/clubmeetings.php?id=19 -- 9.6 Кб -- 10.04.2016
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162. http://www.wro.org/HiddenHollow2008Files/TarkanyTestimoney.htm
Return to Hidden Hollow 2008 Info . ... A few thousand stars resolved through a small telescope. ... Special thanks go out to Tammy Plotner and her Hidden Hollow associates from the Richland Astronomical Society who organized this event. ... It is nice to see that they are providing us with all of the essentials. ... Ron Ravneberg is an amateur astronomer, telescope builder and long-time member of the Columbus Astronomical Society. ... Phil Creed is an active participant in amateur astronomy. ...
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Ссылки http://www.wro.org/HiddenHollow2008Files/TarkanyTestimoney.htm -- 11.2 Кб -- 31.01.2008
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163. Fiber Positioning System Performance
... Virtually the entire rear surface of the 2.5-m telescope primary support structure is covered by the Cassegrain instrument rotator. ... For spectroscopy, a plug-plate cartridge is mounted on the rotator in lieu of the camera. ... A fiber slit head assembly, on either side of each cartridge, is inserted into a socket in the corresponding spectrograph during the mounting process. ... The rotator ring girder is concentric with the hub and supports the spectrographs. ...
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Ссылки http://www.apo.nmsu.edu/Telescopes/SDSS/eng.papers/19980413_RotatorFEA/19980413.html -- 14.4 Кб -- 19.05.1998
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164. http://curl.sai.msu.ru/mass/download/doc/elt_description.pdf
ELT MASS/DIMM instrument for atmospheric turbulence measurements. ... 1.2 Principal geometry of MASSDIMM device . ... The next chapter is a guide for alignment of the optical scheme elements the op eration which is mandatory after the device assembly or while installing the device on the telescop e. Exit pupil optics tuning (MASS segmentator and DIMM mirrors), fo cusing and lateral p ositioning of the Fabry lens, checking the entrance pupil p osition are the sub jects of particular attention. ...
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Ссылки http://curl.sai.msu.ru/mass/download/doc/elt_description.pdf -- 874.8 Кб -- 11.09.2006
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165. http://www.princetonastronomy.org/newsletters/04_2009sidereal.pdf
The Official Publication of the Amateur Astronomers Association of Princeton Director John Miller (609) 252-1223 jmiller@princetonastronomy.org Assistant Director John Church (609) 799-0723 j.church@mindspring.com Treasurer Program Chairman Michael Mitrano Ludy D'Angelo 609-737-6518 (609) 882-9336 ... Remember to mark each Friday starting April 4th as our Simpson Observatory Open House event. ... John Miller asked if Jeff could send out the call for event participants to the entire membership. ...
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Ссылки http://www.princetonastronomy.org/newsletters/04_2009sidereal.pdf -- 846.5 Кб -- 07.04.2009
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166. http://www.mrao.cam.ac.uk/~steve/algor2008/images/BayeSys_manual.pdf
... I ) = Prior в Likelihood inference Pr( | ... Atomic priors One useful way of breaking down the complexity of a problem is to construct the ob ject as some number of a-priori-equivalent "atoms", which are scattered randomly over the domain of interest. ... As it happens, the number of attributes (dimensions) ascribed to an atom is often small, so the mere fact of using an atomic prior much reduces the difficulty: we seek to control only one or two atoms at a time, not the entire ob ject. ...
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Ссылки http://www.mrao.cam.ac.uk/~steve/algor2008/images/BayeSys_manual.pdf -- 418.5 Кб -- 01.12.2008
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167. Untitled1
... Ha Emission in pre-main sequence stars . ... The region near the center of our Galaxy is known to contain stars of several types, including very old red giants with masses near that of the sun and young stars with masses up to 100 times the sun's mass. ... Many galaxies show signs of activity in their central regions which range from intense bursts of recent star formation in some objects to broad line-emitting gas regions and narrow jets of radio-emitting relativistic plasma in extreme objects. ...
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Ссылки http://www.mso.anu.edu.au/annualReport/1997/07_research.html -- 73.5 Кб -- 02.10.2012
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168. http://www.aaa.org/EyepieceFiles/aaa/2010_01_January_Eyepiece.pdf
Journal of the Amateur Astronomers Association of New York January 2010 Volume 58 Number 1, ISSN 0146-7662 EYEPIECE farther away from us than the Moon. ... As the year begins, the solar system's largest planet lies in the southwestern evening sky among the dim stars of Capricornus, setting four hours after the Sun. ... January 27 Mars closest to Earth. ... The planet-like object is at least 29 times as far from its star as the Earth is from the Sun, or about the distance between the Sun and Neptune. ...
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Ссылки http://www.aaa.org/EyepieceFiles/aaa/2010_01_January_Eyepiece.pdf -- 278.5 Кб -- 22.02.2015
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