... However, to avoid excessive central obscuration, a conical baffle is necessary in addition to the usual primary and secondary baffles. ... It is formed of graphite fiber reinforced plastic because of the high stiffness to weight ratio of this material. ... Masking tape is used to limit the extent of adhesive that attaches the outside acrylic ribs to the baffle surface. ... Inside ribs block grazing light-scattering paths from this surface (right image). ... The baffle quality is excellent. ...

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• Conical baffle mandrel
• Conical Baffle Measurements

. 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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This document's intent is to index all relevant LRP documentation into one coherent location for easy quick access. ... Master GRENDEL directory . Index of the /lrp/ This directory contains a number of interesting reports that are generated as a consequence of the normal LRP flow: Baseline differences (weekly). CVZ reports (daily) Link set reports (daily) Baseline summaries (weekly) LRP run statistics (daily) Scheduler Resource report (daily) Unschedulables report (daily) . ...

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• IAU Symposium 267: Evolution of Galaxies and Central Black Holes
• Central Wavelength for LRF
• Mapping far-IR emission from the central kiloparsec of NGC 1097

... CentralProcessor 0.11 documentation . ... The Central Processor Manager is the local monitoring and control agent for the Central Processor sub-system. ... At the moment the Central Processor Manager only controls the acquisition phase; that is, it only controls the ingest pipeline. ... In addition to the CP manager specific parameters, any parameters that begin with ice_properties are passed directly to the ICE Communicator during initialisation. ... string . ... Central Processor Manager . ...

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• The Central Molecular Clouds in NGC 1808
• ASKAP Central Processor User Documentation CentralProcessor 0.11 documentation
• Synthesis_Imaging_School

... Previous: Substepping and its Application to HST Imaging . ... This is a preliminary report on an application of the co-addition technique based upon the Richardson-Lucy algorithm. The combination of high signal-to-noise ground-based images obtained with the ESO NTT using SUSI with high angular resolution HST FOC f/96 images gives new insights on the properties of galaxy cores and their potential time variability. Cores of galaxies are one of the main thrusts of present extragalactic research. ...

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• ADASS 2003 Conference Proceedings

This WWW form allows the user simplified access to images produced by the NRAO/VLA Sky Survey (NVSS). This service determines which NVSS image is desired based on a celestial position and returns either the image directly or a Web page with a link to the file. ... The NVSS Postage stamp (small FITS file) server can be used to obtain images with other geometries.) ... Web browsers use external viewers to display files like FITS images which they do not understand. ...

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• G292.0+1.8
• G291.0-0.1
• G119.5+10.2

.

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• ESO - Thesis Topic: The binary central stars of planetary nebulae
• ESO - Central Massive Objects: The Stellar Nuclei - Black Hole Connection
• ESO - Thesis Topic: Probing the central regions of galaxies

... Gallery . ... Sidebar Left . Sidebar Top . No Sidebar . Sidebar Bottom . Sidebar Right . ... Title: The frame for the central walkway . Description: NOTE: All images and movies are copyright and must not be reproduced or mirrored in any form without written permission. ... The frame for the central walkway NOTE: All images and movies are copyright and must not be reproduced or mirrored in any form without written permission. Powered by Gallery 3.0.9 (Chartres) . ...

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• Siding Spring Survey Equipment
• Siding Spring Survey First Light
• Gemini Near-Infrared Integral-Field Spectrograph (NIFS) Spectrograph.

The AstroGuide . ... AstroGuide | ... AstroGuide Listing . Login . See many more Astronomy Listings by: Category or Alphabet . The Amateur Astronomers of Central Iowa is a small nonprofit amateur astronomy club located near Marshalltown in Central Iowa. ... Listed Since February 14, 1999 . ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . are trademarks of John Huggins ...

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• Central Texas Astronomical Society, Inc., AstroGuide Listing
• Central New York Astronomy Club, AstroGuide Listing
• Central Pennsylvania Observers, AstroGuide Listing

... Home Observing Central Park ? ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... The AAA hosts solar observing in Central Park one Sunday afternoonˆàeach month.ˆà WeòÀÙre located right by Bethesda Terrace and Fountain , middle of Central Park, just north of 72nd street. ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by ....

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• AAA Urban Starfest in Central Park ? Amateur Astronomers Association of New...
• Amateur Astronomers Association of New York ? Amateur Astronomers Association
• Charles Dana Discovery Center, Central Park ? Amateur Astronomers Association

... James P. Bagian (M.D., P.E.) . ... SPECIAL HONORS: U.S. Army ROTC Superior Cadet Award (1970); graduated first in class from Drexel University (1973); Orthopedics Prize from Jefferson University (1977); Honor Graduate (first in class) from USAF Flight Surgeons School (1979); Federation Aeronautique Internationale (FAI) Komarov Diploma (1989); Sikorsky Helicopter Rescue Award (1990); NASA Achievement Award for developing treatment of space motion sickness (1991); NASA Space ...

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Next: Carbon stars Up: OTHER HYDROGEN-DEFICIENT STARS Previous: Extreme helium stars and . V348sgr may be more closely related to about twenty hydrogen-deficient central stars of planetary nebulae which have similar carbon abundances ( ) and strong emission line spectra ([ Leuenhagen et al. 1995 ], [ Leuenhagen & Hamann 1997 ]). ... Hydrogen-deficient and carbon-rich knots are seen in the inner nebulae of at least two objects (Abell 30 and Abell 78). ...

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• Education and Public Outreach
• Armagh Observatory
• Born-again stars

... Tonight's Sky . ... The Magazine . ... Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Globular cluster NGC 2808, elliptical galaxy NGC 2986, and the Sextans Dwarf . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... Astronomy for Kids . ... Globular central . ... Get instant access to subscriber content on Astronomy.com! ...

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• Cassini Imaging Central Lab, Boulder, Colorado | Astronomy.com
• How do scientists know there is a central black hole in almost every galaxy? |
• The Milky Way's central X-ray loop | Astronomy.com

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2008 November 10 . Our Galaxy's Central Molecular Zone . ... Explanation: The central region of our Milky Way Galaxy is a mysterious and complex place. ... The region is known as the Central Molecular Zone . ... This image is not just interesting scientifically . ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...

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• APOD: 2008 July 26 - Central IC 1805
• APOD: 2006 September 22 - Central IC 1805
• APOD: 2009 July 27 - NGC 1097: Spiral Galaxy with a Central Eye

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Moon . ... Space Flight . ... One of the best-known lunar craters, Tycho is not especially large at some 85 km across. ... Bright and with prominent rays of material radiating from it, Tycho is a young crater; there has been little time for the slow and steady rain of micrometeorites to erode it. ... NASAòÀÙs LRO recently took this evocative image of the steep slopes of TychoòÀÙs central peak illuminated by the morning Sun. ...

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• Post Primary and Secondary School Visits
• A Rolling Stone on the Moon | Astronotes
• Image of the Month: Lindsay Crater | Astronotes

Next: A box, to include Up: To produce a region Previous: To produce a region . select cursor and circle . When in the image window, the mouse now has a box shape with an arrow at the upper left corner. The mouse buttons act as follows: . LEFT - to move the center of the circle at the position of the arrow point. ... RIGHT - idle. center the circle at the point source by positioning the arrow point and clicking on the LEFT mouse button. A circle will appear at the arrow position. ...

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• The AstroStat Slog central limit theorem
• Chandra Images for SNRJ 0540.1-6919
• Eclipse Lightcurves for the Hydrostatic Model

Astronomy Picture of the Day . Our Galaxy s Central Molecular Zone . ... 10.11.2008 . ... BGPS Team, GLIMPSE II Team Explanation: The central region of our Milky Way Galaxy is a mysterious and complex place. Pictured here in radio and infrared light, the galaxy's central square degree is highlighted in fine detail. The region is known as the Central Molecular Zone . ... November 2008 . ... NASA Web Site Statements, Warnings, and Disclaimers . ... Publications with keywords: radio . ...

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• NGC 1097: Spiral Galaxy with a Central Eye
• Central IC 1805
• Àñòðîíåò > Central IC 1805

... eregionanalyse imageset=emosimage.ds srcexp="(DETX,DETY) in CIRCLE(639,-769,1200)" . backexp="(DETX,DETY) in CIRCLE(11400,-700,1200)" . This will set the parameters, xcentroid and ycentroid , to be the centre of the counts distribution within the source box; the optimum radius from the source and background count distribution and the number of counts in the source box. ...

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• Source within central-enhancement region - bit 5
• Maximum number of sources.
• Making a background map

... The Co­Addition Technique Applied to Images of Galaxy Cores W. W. Zeilinger Institut f˜ur Astronomie, University of Vienna, T˜urkenschanzstraúe 17, A­1180 Wien, Austria P. Crane, P. GrosbÜl and A. Renzini European Southern Observatory, Karl­Schwarzschild Straúe 2, D­85748 Garching, Germany Abstract. ... One may therefore take full advantage of the high resolution FOC images by co­adding them with (high signal­to­noise) ground­ based data. ... References Crane, P. et al. ...

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• APOMASK (V1.0) --- Mar00 --- APOMASK (V1.0)

... De Magnete . ... More on "De Magnete" . ... A Gilbert Expt. ... Before Gilbert . ... different parts of Gilbert's terrella Of his own experiments, the most important was conducted with a magnetized " terrella " ("little Earth"), a spherical magnet serving as a model for the Earth. ... In addition to studying magnets. ... The last of the 6 "books" into which Gilbert's work is divided deals with the motion of Earth in space and its possible connection to magnetism. ... Magnetism from Gilbert to 1820 ....

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• The Io Dynamo
• Frames of Reference: Loop-the-Loop
• Universal small spacecraft bus (SSB)