... Rationale . ... Optical image of Centaurus A taken with the MPG/ESO 2.2-m telescope. ... Centaurus A (NGC 5128) is a spectacular giant radio galaxy. It is by far the closest galaxy in the Universe with an active, supermassive black hole, and it was the first extragalactic radio source to be identified (by CSIRO radiophysics astronomers Bolton, Stanley and Slee using cliff-top interferometry at Dover Heights ). ... X-ray image of Centaurus A taken with Chandra. ...

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• ATNF Daily Astronomy Picture
• Archive of VLBI Observations Majordomo List

... Department of Electrical Engineering, Auburn University, Auburn, AL 36849-5201 . This paper presents a criterion for stopping non-linear iterative algorithms, specifically the Richardson-Lucy algorithm that is widely used to restore images from the Hubble Space Telescope. The criterion is based on generalized cross-validation and is also computed iteratively. ... The Randomized Generalized Cross Validation (RGCV) Criterion . ... Using the RGCV Criterion as a Stopping Rule . ... Caveat . ...

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• Colloquia - Spring 2010
• Photometry and Astrometry with WFPC2 and NICMOS

... GIVE A GIFT . ... Give a Gift . ... Lost Miller experiment gives pungent clue to origin of life . ... The origin of life may have been smelly, according to a recent analysis of residue from a variant of classic experiments performed by Stanley Miller in the 1950s. "One of the primary differences between this experiment and others Miller performed is the use of hydrogen sulfide (H 2 S) gas to help simulate the primordial atmosphere," said Eric Parker from the Georgia Institute of Technology in...

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• Want to discover Planet X? You'll need these three tools | Astronomy.com

Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Science Fiction . ... The New Horizons science team?а is inviting everyone worldwide to vote for the names that will be given to the most prominent features on Pluto and Charon, Pluto?s largest moon. The pre-listed names are?а an eclectic mix from mythology and the literature and history of exploration. You can even nominate names to be added to the list. ... Yuggoth (H. P. LovecraftтАЩs name for Pluto) . ... Name * . ...

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• Everything You Need to Know About Skylab | Astronotes
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... A Flag for Mars . ... A Flag for Your Planet Activity . ... This Mars flag was a red, green, and blue tricolor. ... Red stands for the current desert, green for a 2nd step planet with vegetation and blue for the fully terraformed blue planet Mars. ... The tricolor flag design is similar to the flags of many nations, including the following flags that have two of the three colors of the red, green, and blue tricolor Mars flag: . ... red . ... The official proportions of the U.S. flag are 10 x 19. ...

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• ASP: Science Fiction Stories with Good Astronomy & Physics
• ASP: The View from a Distant Star:Challenges of Interstellar Message-Making
• ASP: Clubs and Organizations

... Recherche dans le site : . Ciel Espace, le magazine qui vous guide toujours plus loin . ... Ciel Espace, nouvelle formule, c'est . des actualitУ?s . ... les plus belles images de l'Univers dУ?cryptУ?es pour vous . ... Accueil Lire/Voir/Ecouter Lire/Voire/Ecouter . ... Lire/Voir/Ecouter . ... 18/07/2008 . ... En emmenant le lecteur de plus en plus loin dans l'espace et dans les temps, l'auteur fait un point complet, У  la pointe de l'actualitУ?, des diffУ?rentes thУ?matiques astronomiques. ...

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... METHOD . ... java.lang.Object ij.plugin.filter.BackgroundSubtracter . ... Implements ImageJ's Subtract Background command. ... With both, rolling ball and sliding paraboloid, the image used for calculating the background is slightly smoothened (3x3 average). ... boolean . ... This method is invoked by a Generic Dialog if any of the inputs have changed (CANCEL does not trigger it; OK and running the dialog from a macro only trigger the first DialogListener added to a GenericDialog). void . ... void ....

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• Oral History

... v) Documents concerning Railways . ... By J.A. Hamilton. ... M69 A collection of letters to and from Robinson mostly concerning financial matters.1 Fifty-seven letters from T. R. Robinson to Dr Reeves, Dean of Armagh , dated 1842-80 containing comments on buildings, ecclesiastical and political matters.2 Three letters , 1872, from Robinson to Leonard Dobbin, agent for Observatory lands.3 Four letters from Dean Reeves, 1872-73, and one from M. G. Armagh (Beresford), 15 Aug 1872,...

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The AstroGuide . ... AstroGuide | ... Home | ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . Here is the home of the astronomy convention that started it all. ... Listed Since July 15, 1998 . ... Springfield, VT 05156 . ... Web Site . http://www.stellafane.com/ . ... Web . www.astronomy.net . ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• The AstroGuide Club Listings
• Astronomy articles, forums, listings, and other resources about Astronomy.
• Sky Works, AstroGuide Listing

This list, not necessarily complete, contains all those publications known to us reporting on results of work using Arecibo instrumentation. ... Araya, E., Hofner, P. Churchwell, E., and Kurtz, S., Arecibo Observations of Formaldehyde and Radio Recombination Lines Toward Ultracompact HII Regions , Astrophys. ... 138, 63, 2002. Araya, E., Hofner, P. Churchwell, E., and Kurtz, S., Arecibo Observations of Formaldehyde and Radio Recombination Lines Toward Ultracompact HIII Regions , American Astron. ...

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... Clubs . ... PUBLIC Telescopic observing is conducted at the Wheaton College Observatory every clear Friday (call for times) when college is in session. ... The College has a 12.5 " Newtonian/cassegrain telescope. ... For more information see the North Shore Amateur Astronomy Club page. ... For more information see the North Shore Amateur Astronomy Club page and the college's page . ... Aldrich Astronomical Society Paxton, MA . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

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... Mark Abernathy, Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA (abernathy@stsci.edu) . ... Jeannette Barnes, National Optical Astronomy Observatories, P.O. Box 26732, Tucson, AZ 85726, USA (jbarnes@noao.edu) . ... Tony Beasley, National Radio Astronomy Observatory, 520 Edgemont Road, Charlottesville, VA 22903, USA (tbeasley@nrao.edu) . Dave Bell, National Optical Astronomy Observatories, 950 N. Cherry Avenue, Tucson, AZ 85726-6732, USA (dbell@noao.edu) . ...

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• Participant List
• Conference Participants

Winer Observatory P.O. Box 797, Sonoita, Arizona 85637-0797, USA . ... Outreach . Projects . ... Science . ... Participating in Project ASTRO, a national program to assist teachers in grades 4 through 12 in teaching astronomy . ... June, 1990: National Optical Astronomy Observatory, Friday Science Lunch Talks: "Engineering Big Science Projects" . ... May 4, 2007: National Optical Astronomy Observatory, Friday Science Lunch Talks: "The Ohio State University KELT Telescope -- Early Results" . ...

197. Astronomy Clubs of the World

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