... Charles P. Conrad Jr 1930 1999 . ... Moon, Planets, and Rocket Trails . ... The Flame Nebula in Infrared . ... 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. ... A Delta Rocket Launches . ... Barringer Crater on Earth . ... Neptune, the Solar System's outermost gas giant planet, is 30 times farther from the Sun than Earth. ... NGC 7789: Galactic Star Cluster . ... M80: A Dense Globular Cluster...

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... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2001 December 29 . The Annotated Galactic Center . ... Constellations near the galactic center include Sagittarius , Libra , Scorpius , Scutum , and Ophiuchus . ... Open star clusters include M6 , M7 , M18 , M21 , M23 , M24 , M25 . Globular star clusters include M9 , M22 , M28 , M54 , M69 , M70 . ... About APOD | ... NASA Technical Rep.: ...

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• APOD: 2006 December 19 - Massive Stars in Open Cluster Pismis 24
• APOD: 2011 December 6 - Jupiter Rotation Movie from Pic du Midi
• APOD: 2001 December 10 - Globular Cluster M15

... In typical nightly use, the wide field and planetary telescope and cameras record images of favorably placed objects in the sky, including constellations, bright variable stars, nebulae through narrow-band filters, comets, the Moon, and planets. ... Shared Skies telescopes are available for use by students at the University of Louisville and the University of Southern Queensland, and by teachers and students in middle and high schools mentored by faculty at the universities. ...

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... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . The Geminid meteor shower is the last, and one of the best, major meteor showers of the year. ... Shower meteors appear to come from a point in the sky known as the radiant. ... The number of meteors that may potentially be observed during the maximum of the shower on the evening of the 13/14 December, and from a clear, dark site with no light pollution and little moonlight, can range up to as many as 100 or more per hour. ...

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• Grubb 10 inch Refractor
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• BBC Stargazing LIVE 2012

... Full version (including all figures and appendices [3.1 MB]) . Reduced version 1 (except german summary and appendices [2.4 MB]) . Reduced version 2 (except german summary, appendices and figures [0.2 MB]) . ... Figures of Chapter 2 (10 figures [1.4 MB]) . ... Chapter 2 ( Photometry of galaxies in selected CCD fields [1.4 MB]) . ... Chapter 6 ( Summary and Future Work [40 kB]) . Chapter 7 ( Zusammenfassung (German summary) [36 kB]) . Appendix A ( The photometric catalog [65 kB]) . ...

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• The bright star clusters Messier 47 and Messier 46 in the constellation of
• The location of the bright star cluster NGC 3532 in the constellation of Carina
• The bright star cluster Messier 7 in the constellation of Scorpius

Astronotes Armagh Planetarium's Stellar Blog! ... Meteors and Meteorites . ... Stars . ... Monthly Sky Notes . ... This famous depiction of the Leonids was based on a first hand account of a meteor storm by a minister, Joseph Harvey Waggoner. ... In the autumn the Great Square of Pegasus is visible in the southern night sky. ... I hope this guide to the November night sky is helpful and have fun star sight-seeing! ... Tweets that mention The Leonid meteors: highlights of the November night sky | ...

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• Monthly Sky Notes | Astronotes - Part 7
• Stargazing in July | Astronotes
• constellations | Astronotes - Part 7

... Radio source identifications . The Web-server of the Astronomical Institute of the St.-Petersburg University opens the experimental service on assignment of clusters data. At present only the data about radio sources in ACO clusters of galaxies are reasonably complete, while only restricted optical information is in our database. Later on, we also intend to include X-ray data and data about brightest cluster galaxies (BCG). ... ACO: radio optic ( for example, A0690 and " optic "), . ...

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• Desription file of catalogs including in search
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The Astronomy Shop . ... AstroGuide | ... Shop | ... Books | Bright Star Atlas . ... Add this accurate and inexpensive star atlas to your collection for thosetimes you want to travel light. ... Web . www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... 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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• Your First Telescope - an Astronomy Net Article
• Meade ETX, A Telescope For The Masses. - an Astronomy Net Article
• ATM Discussion Forum - Hosted by The Astronomy Net

In this gallery are many images of Low Surface Brightness Galaxies which have recently been discovered and analyzed. ... The central surface brightness of this galaxy is 24.28 . Malin 2 This galaxy is another huge disk galaxy with a scale length of 15 kpc and a redshift of 15000 km/a. The high surface brightness knot in one of its spiral arms actually has the same color, luminosity and H-alpha equivalent width as the entire Large Magellanic Cloud . ... Truly it is a Low Surface Brightness Galaxy. ...

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• Astronomy HyperText Book: Stellar Clusters

ATMoB "Open Cluster Observing Award " Guidelines Purpose: To promote observing among the membership of the Amateur Telescope Makers of Boston through participation in the Open Clusters Observing Awards program. Introduction: This awards program is oriented towards visually observing open clusters above magnitude 9.9. ... It turns out that a very unprejudiced and convenient method to dermine the limiting magnitude is to count the number of visible stars in certain areas on the sky. ...

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Aitoff Projection showing ChaMP Fields . ... Main survey: >20 from galactic plane. ... Galactic Plane Survey: No subarray fields: reduced area and more complicated processing . ... Short exposures included except NGC galaxies . Galactic Plane Survey: > 30 ksecs . ... Galactic Plane Survey: >10% contamination by a diffuse/distributed X-ray or optical source. ... E(B-V)= (B-V) - (B-V) 0 which translates to visual extinction A V via . ... Crudely, E(B-V) can be related to Galactic latitude via . ...

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• activities
• SAO Summer Intern Program Projects, 2004
• Rotation Periods of ZAMS Stars

... Robert L. Stewart (Brigadier General, USA, Ret.) ... SPECIAL HONORS: Awarded Army Distinguished Service Medal , Defense Superior Service Medal , 2 Legion of Merit, 4 Distinguished Flying Crossed, a Bronze Star, a Meritorious Service Medal , 33 Air Medals, the Army Commendation Medal with Oak Leaf Cluster and V Device, 2 Purple Hearts, the National Defense Service Medal , the Armed Forces Expeditionary Recipient of NASA Space Flight Medal (1984 & 1985). ...

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• Astronaut Bio: Charles Duke 05/94
• Astronaut Bio: Bruce McCandless II
• Astronaut Bio: Eugene A. Cernan

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. December 18, 1999 . Irregular Galaxy Sextans A . ... Their newly formed, bright, blue star clusters found along beautiful, symmetric spiral arms are guaranteed to attract attention. But small irregular galaxies form stars too , like this lovely, gumdrop-shaped galaxy, Sextans A . ... About APOD > . ...

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• APOD: December 6, 1999 - M83: The Southern Pinwheel Galaxy from VLT
• APOD: November 11, 1997 - The Annotated Galactic Center
• APOD: December 13, 1997 - The Coma Cluster of Galaxies

... 2013_December s131215_200408 not include in standard . ... 2011_June s110622_141256 not include in standard . ... OtherProjects t100405_182443 not include in standard . ... 2010_January t100110_181805 not include in standard . ... OtherProjects s081218_213556 not include in standard and timing . ... 2008_July s080724_073327 not include in standard and timing . ... 2007_September a070910_055634 not include in standard . ... OtherProjects a070819_052215 not include in standard and timing . ...

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• http://www.atnf.csiro.au/people/Simon.Johnston/glast/database/J1302-6350.20.html
• http://www.atnf.csiro.au/people/Simon.Johnston/glast/database/J1359-6038.20.html
• http://www.atnf.csiro.au/vlbi/dokuwiki/lib/exe/fetch.php/difx/meetings/hobart2015/rottmann_difxactivities.pdf

Title: A New Model of the Gravitational Lens 0957+561 and a Limit on the Hubble Constant . Authors: Norman A. Grogin , Ramesh Narayan (Harvard Univ.) ... Title: ROSAT/PSPC observation of the distant cluster CL0939+472 . ... Title: Interaction in the Bimodal Galaxy Cluster A3528 . ... Title: Cosmological Implications of Galaxy Cluster Evolution . ... Title: Galaxy Cluster Virial Masses and Omega . ... Matches 201 to 222 from a total of 222 matches for the search pattern galaxy cluster . ...

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• astro-ph authors/title/abstract search for 'galaxy merging' all years

... Please accept our apologies and stay tuned for updates. This workshop is intended as a forum to discuss exploration of the post-recombination era and the early stages of galaxy formation. It is aimed at helping researchers, leaders of ground-based and space astronomy, and policy makers share and understand the latest results in observational cosmology, and identify the most promising strategies for the future. ... Aim and Scope of the Workshop . Tentative Agenda . ... Hotel Information . ...

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• HST Call for Proposals
• Swara's Publications
• Larry Bradley :: Research

... The Pleiades star cluster, also known as the Seven Sisters and Messier 45, is a conspicuous object in the night sky with a prominent place in ancient mythology . ... The stars in the Pleiades are thought to have formed together around 100 million years ago, making them 1/50th the age of our sun, and they lie some 130 parsecs (425 light years ) away. ... Data for these stars are listed in a table below. ... Yes . ... WEBDA Pleiades cluster data . ... M45: The Pleiades Star Cluster (2007 November 18) ...

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• Gas and Dust in the Pleiades Reflection Nebula
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• Index of /~phil/hardware/vertex/sharemegsvertex/lcu/Sun/include/pctcp

... Tonight's Sky . ... The Magazine . ... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Bright planets meet at dusk . ... Astronomy magazine subscribers can read the full article for free. ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter....

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• WISE launch rescheduled for December 14 | Astronomy.com
• Open cluster NGC 1857, the Crystal Ball Nebula (NGC 1514), and dark nebula
• December 2015 | Astronomy.com

... It was designed to observe the solar wind approaching Earth, from a position near the Lagrangian point L1, and it is part of the International Solar-Terrestrial Physics (ISTP) Initiative . ... The original plan called for "Wind" to approach its final station over two years, undergoing two close encounters with the Moon to boost its speed. ... If however the object is moving , the encounter is not symmetric, and in the end the spacecraft may have gained or lost speed, depending on its trajectory. ...

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• Spectrum-RG
• "CONSTELLATION" MISSIONS AND FUTURE RESEARCH
• IKI - Space Research Institute of Russian Academy of Sciences

... For a timeline of the exploration of the magnetic environment of the Earth, Sun and Planets, see here . ... Galileo Galilei (1564-1642) builds the first astronomical telescope and observes for the first time craters on the Moon, satellites around Jupiter, and the way Venus goes through phases like the Moon (crescent, etc.) ... 17 December--First successful flight by the Wright brothers at Kitty Hawk, North Carolina. ... 16 March--Goddard launches his first liquid-fuel rocket. ...

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• The Wind Spacecraft
• International workshop “Europa lander: science goals and experiments”
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