... diffuse nebula; NGC 2070, Tarantula Nebula . ... planetary nebula; NGC 7662 . ... planetary nebula; NGC 6543 . ... diffuse nebula; NGC 6618, M 17 . ... planetary nebula; NGC 2392, Eskimo Nebula . ... supernova remnant; NGC 1952, M 1; a supernova remnant . ... supernova remnant; Veil Nebula . ... planetary nebula; NGC 6853, M 27 . ... diffuse nebula; NGC 6611, M 16 . ... planetary nebula; NGC 2392 . ... supernova remnant; NGC 1952, Crab Nebula . ... diffuse nebula; NGC 6523, Lagoon Nebula . ... NGC ....

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• Types of Nebulae
• APOD: 2003 June 9 - The Pencil Nebula Supernova Shockwave
• APOD: 2007 May 6 - Star Cluster R136 Bursts Out

Astronotes Armagh Planetarium's Stellar Blog! ... Our Galaxy . ... Other Galaxies . ... Space Flight . ... October . ... Posted on November 19, 2010 | 1 Comment Could HIP 13044 b be the strangest exoplanet yet found? ... Continue Reading.. ... 2 Comments Using the Hubble Space Telescope, astronomers have been looking ten thousand years into the future of the vast globular cluster Omega Centauri. ... Posted on October 4, 2010 | 1 Comment Gorgeous! ... Posted on September 27, 2010 | ...

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• HST | Astronotes - Part 4
• - Part 42
• stellar nursery | Astronotes - Part 2

GALAXIES cenA .tiff 40 Bright Radio Galaxy M31.tiff Nikon Andromeda Galaxy (note HII regions in spiral arms) ngc6744.tiff 40 NGC 6744 a face-on spiral clouds_20d.tiff H'blad The Magellanic Clouds our nearest neighbours Lmc_7.tiff Nikon The Large Magellanic Clouds Lmc_zoom.tiff Nikon Detail of previous image smc_7.tiff Nikon The Small Magellanic Clouds smc-zoom.tiff Nikon Detail of previous image 30dor_40_BVR.tiff 40 The 30 Dor ... B [OIII] Halpha trifid.tiff 40" The Trifid Nebula. ...

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• GSAOI Orion Nebula Cluster Science Page

... Credit: NASA , J. Trauger ( JPL ), J. Westphal ( Caltech ), Explanation: In the center of star-forming region 30 Doradus lies a huge cluster of the largest, hottest, most massive stars known. These stars, known as the star cluster R136 , and part of the surrounding nebula are captured here in this gorgeous visible-light image from the Hubble Space Telescope . ... Publications with keywords: LMC - star cluster . Publications with words: LMC - star cluster . ... Young Star Cluster Westerlund 2 . ...

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• XWare > APOD
• APOD: 2003 June 9 ь The Pencil Nebula Supernova Shockwave

... F,L,IRREGULARSHAPE,R=F Dec 19 2006 31 Dec 19 2006 31 Nov 22 2006 8 IC 2163 17mmT4 11mmT6 R,PL, OVAL ,NND,R=F VF,VS,EL,NND,AV,R=F Galaxy SB(rs)c pec Dec 19 2006 31 Feb 10 2005 8 IC 2165 17mmT4 Planetary Neb 3b VB,PS,R=G, NO CENTRAL STAR Dec 19 2006 31 IC 2171 17mmT4 PF,CS, OVAL ,NND,R=F Galaxy IB(s)m: Dec 19 2006 31 NGC 2204 ... OIII FILTER PB,EL,PATCH,R=E,HINT-NEBULOSITY,NO FILTER NGC 2360 19mmW 12x50 25mmPL H12-7 Open Cluster 10.4 I 3 r CL,VL,RI,PC,ST9.. ...

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... HST Phase II Proposal Instructions for Cycle 20 > Chapter 3: Fixed and Generic Targets > 3.3 Target Category and Target Description [Description] . ... Each target must be assigned a single primary category from Table 3.2 , and at least one descriptive keyword , chosen from the appropriate Table 3.3 through Table 3.9 (see Table 3.2 for which table is appropriate for each category). ... Table 3.3: Descriptive Keywords for STAR and EXT-STAR . ... Table 3.6: Descriptive Keywords for CLUSTER OF GALAXIES...

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• Planetary Nebula K 648
• Dust Production and Mass Loss in the Galactic Globular Cluster NGC 362
• Andy Fruchter's ERO Page

Photon Scattering: Basic Principle of Photon Scattering . Audio Narration is available . No Scattering: Photon Source and Detector . ... For optical photons, scattering goes as wavelength to the -4 power. In the case of blue photons compared to red photons, this means that blue photons are about 10 times more likely to get scattered than red photons. ... Watch the blue photons scatter away from the detector . ... Interstellar dust make stars appear redder than they really are . ...

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• Astronomy HyperText Book: Stellar Clusters

... 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 . ... Globular cluster M28, open cluster M25, and planetary nebula NGC 6781 . August 20 27, 2015: Globular cluster M28 and open cluster M25 in Sagittarius offer small-telescope owners nice views, while large-telescope owners can seek out planetary nebula NGC 6781 in Aquila. ... Globular cluster M28 . ... Planetary nebula NGC 6781 . ...

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• Astronomy's new frontier, part 1 | Astronomy.com
• The Dish Cluster, the Pencil Nebula, and spiral galaxy NGC 2655 | Astronomy.com
• Astronomy's new frontier, part 4 | Astronomy.com

... ESO, the European Southern Observatory . ... ESO's Governing Bodies . ... ESO Supernova . ... European Week of Astronomy and Space Science 2009 . ... The Hubble Space Telescope . ... The supernova remnant, visible only in the hydrogen-light filter was assigned a red hue in this colour image. ... NASA, ESA, and the Hubble Heritage Team (STScI/AURA).€аAcknowledgment: W. Blair (Johns Hopkins University) . ... SN 1006 . ... Milky Way : Nebula : Type : Supernova Remnant . ... Hubble Space Telescope . ...

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• Part of the Coalsack Nebula (fulldome) | ESO
• Panning across part of the Seagull Nebula | ESO
• A close look at an APEX view of part of the Orion Nebula | ESO

Supernova 2002bu in NGC 4242 . This page is devoted to information on Supernova 2002bu in NGC 4242 Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main page . Information on the original web pages for many of these images can be found on the updates and links web pages. This is a type IIn supernova found in a galaxy which is in Canes Venatici. ... Mag . ... 2002/03/28.26 . ... A Leroy image . ... SUPERNOVA 2002bu IN NGC 4242 . ...

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• Supernova 1999cf in UGC 8539
• Supernova 1999gi in NGC 3184
• Discovery of Supernova 2000C in NGC 2415

... Non-NGC Images . ... Globular cluster in Scorpius (M80)..... image ..... caption . ... Globular cluster in Scorpius (M4)..... image ..... caption . ... Globular cluster in Oph (M107)..... image ..... caption . ... Nebula..... image . ... Globular cluster in Hercules (M13)..... image ..... caption . ... Globular cluster in Ophiuchus (M12)..... image ..... caption . ... Infrared-bright galaxy in Ophiuchus..... image ..... caption . ... Globular cluster in Ophiuchus (M10)..... image ..... caption . ...

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• ASP: A Taste of Real Astronomy ? The ESA/ESO Astronomy Exercises
• ASP: Card Games for the Whole Family - with a Cosmic Twist
• ASP: More About Deep Space Objects and Cosmic Terms

... Click here to go directly to the Orion Nebula Images. ... Copies of individual figures from this paper are available from John Bally . ... Figure 1: The core of the Trapezium showing the four energetic massive stars and a plethora of Sun-like stars with surrounding extended emission. ... Click to download figure in jpeg format. Click to download figure in tiff format. ... Figure 3: A gallery of star-disk systems in Orion's Trapezium. ... To Doug Johnstone's Scientific Home Page . ...

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• APOD: July 7, 1999 - M80: A Dense Globular Cluster
• The Orion Nebula: The Jewel in the Sword (ESO PR Photos 03a-d/01)
• APOD: 2000 January 4 - Galaxies Cluster Toward the Great Attractor

ATMoB Awards Program - Messier Marathon Worksheet Observer: Date: Instrument(s) Used: Location: Messier Observing Catalog/Worksheet Observing Order 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 Messier Number M 77 M 74 M 33 M 31 M 32 M110 M 52 M103 M 76 M 34 M 45 M 79 M 42 M 43 M 78 M1 M 35 M 37 M 36 M 38 M 41 M 93 M 47 M 46 M 50 ...

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• Amateur Telescope Makers of Boston

... Home Gallery Astrophotography Deep Sky Images by Joe DiNapoli . ... Deep Sky Images by Joe DiNapoli . ... Deep Sky Gallery by Ed Fox . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . Observing Resources for Amateur Astronomers - Part 2: Intermediate Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

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• Astro-Imaging ? Page 9 ? Amateur Astronomers Association of New York
• Astro-Imaging ? Page 6 ? Amateur Astronomers Association of New York
• Observing Resources for Amateur Astronomers ? Part 3: Advanced Observers ?

... We are a UNAWE project! UNAWE (Universe Awareness for Young Children) is an international outreach activity that inspires young disadvantaged children with the beauty and grandeur of the universe. During the International Year of Astronomy 38 countries became involved in UNAWE activities, with a network of more than 500 members. ... Many thanks to Dr Carolina Odman for welcoming us to the UNAWE family! 5 Mar 2010 18:44 . б© 2010 OASES . ...

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• Armagh Observatory
• OASES Show at the John Hewitt Summer School | OASES Over us All is the SElfsame
• Stars Beyond Maturity

... We address a question if globular clusters (GC) in a protogalaxy could for some time evolve chemically as isolated systems, enriching themselves with heavy elements produced in first supernova events that follow initial star formation. We determine both the critical mass of a protoglobular cluster that is needed to retain the ejecta of the very first supernova, and the critical energy (i.e., number of supernovae) that is needed to expel the residual gas from a cluster of a given mass. ...

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The optical data consist from 4 parts. ... In part REF brief designations of some main optical data references are given. ... Cluster image with APM-galaxies , NVSS radio sources and FIRST radio sources . ... APM cluster data from AAO or Cambridge . ... Optical data [ radio data ] [ radio spectra (1.0 or 1.1) ] . ... You can request APM cluster data from AAO or Cambridge . ... ACO: F472 3rd HAS CORONA. ... The present status of optical data is as subsidiary to the radio data. ...

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• Gravitational Lensing by Clusters of Galaxies
• Space-Time with Bound Cluster
• Age of the Universe

... 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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• Pulsar Highlights - A Dozen new MSPs in Globular Clusters
• Jodrell Multi-beam Virgo Survey
• Thesis Abstract

... Comments, Opinions Publications Dnepr Program . Dnepr launch record 17 August 2011. Cluster Launch of Dnepr LV 22 August 2013 KOMPSAT-5 Launch 21 November 2013. ... The Sych-2 satellite is being developed as a part of the space optical-range Earth observation system by the State Design Office of Yuzhnoye and built by the Industrial Association Yuzhny Machine Building Plant in cooperation w ith other space industry entities upon the state order of the National Space Agency of Ukraine . ...

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• The first national Earth remote sensing satellite of Turkey will be placed into
• Dnepr Cluster Mission 2013
• Dnepr Cluster Mission 2014

2014 May version . ... Green D. A., 2014 , Bulletin of the Astronomical Society of India, 42 , 47-58. ( .pdf , or arXiv.org:1409.0637 ) If you make use of the detailed version of the catalogue, then plaese also cite: . Green D. A., 2014, `A Catalogue of Galactic Supernova Remnants (2014 May version)' , Cavendish Laboratory, Cambridge, United Kingdom (available at "http://www.mrao.cam.ac.uk/surveys/snrs/" ). ... Copyright D. A. Green 2014. 25872nd access to this version of the catalogue. ...

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• Astrophysics Group AMI Science
• G205.5+0.5