M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...

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Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Our Galaxy . ... Stars . ... Space Flight . ... This activity is believed to be promoting the unusually high rate of star formation seen in M82. ... Radio image of M82 made with the MERLIN and VLA telescopes. Insets show MERLIN images from April 25th and May 3rd 2009 demonstrating the sudden appearance of the mystery object.€а All images are at a frequency of 5 GHz. ... Mystery object in Starburst Galaxy M82 . ...

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• Telescope nights at Armagh Planetarium | Astronotes
• Astronotes | Armagh Planetarium's astronomy news from across the Universe -
• Rings Around an Asteroid | Astronotes

... A Distant Cluster of Galaxies . ... Oddly - most of them are spiral galaxies. This rich cluster of galaxies, named CL 0939+4713, is almost half way across the visible universe. ... Discovered in 1963, astronomers were astounded that such objects could be visible across billions of light-years, as this implies they must emit prodigious amounts of energy. ... Can you see through the spiral galaxy? ... Runaway Star . ... On the far side of our Galaxy, gas clouds explode away from a small black hole. ...

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... Each day we feature a different image or photograph of our fascinating universe, along with a brief explanation written by a professional astronomer. January 14, 1996 . A Distant Cluster of Galaxies . ... Explanation: Every bright object in this 1994 photograph by the Hubble Space Telescope is a galaxy . ... Photos like this indicate that clusters in the past contained a higher fraction of spirals than do nearby clusters , which are usually dominated by elliptical galaxies . ... About APOD | ...

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• APOD: 2004 February 17 - Galaxy Cluster Lenses Farthest Known Galaxy
• APOD: 2001 October 7 - Abell 2218: A Galaxy Cluster Lens
• APOD: 2008 February 10 - Abell 2218: A Galaxy Cluster Lens

... Bringing news from across the Universe to children all around the world . ... It contains billions of awesome objects including planets, dust clouds, galaxies and star clusters like the one in this photograph. ... Charles Messier s life dream was to become famous. To do this, he needed to discover a comet. ... So he decided to save himself some time and each time he found an object that didn t move across the sky (as comets do), he noted it down. ...

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• Detecting Metals in Invisible Galaxies | ESO
• Detecting Metals in Invisible Galaxies | ESO United States
• Detecting Metals in Invisible Galaxies | ESO Ireland

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Risks Comparable to NEOs . ... The Increasing Rate of Discovery of Asteroids . ... Comet and Asteroid Collision Probabilities . ... Extreme albedo comets and the impact hazard (PDF Format) . ... Asteroid Impact Animations . ... Workshop on Scientific Requirements for Mitigation of Hazardous Comets and Asteroids - 2002 . ... The Spaceguard Survey Report, 1992 (PDF) . Tsunami from Asteroid/Comet Impacts . ...

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• Armagh Observatory
• Southern African Large Telescope (SALT)
• Las Cumbres Observatory, Asteroids, comets, Messier objects, supernova

... Courtesy of NASA/ESA Observation data (J2000 epoch) Constellation Right ascension Declination Redshift Distance Type Serpens Caput 15h 17m 14.4s[] +21° 35 08[] 12,740±50 km/s[][1] 600±30 Mly (183±8 Mpc)[1] SA0(r) [citation needed ] [a] Apparent dimensions (V) 0.28 в 0.28[] Apparent magnitude (V) 16.0[] Notable features Ring galaxy Other designations PGC 54559,[] PRC D-51[] See also: Galaxy, List of galaxies Hoag's Object is a non-typical galaxy of the type known as a ring galaxy. ...

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... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Astrophysics graduate student programs . ... Facilities . ATNF facilities . ... Australian Square Kilometre Array Pathfinder . Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ...

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• Do Starburst galaxies contain buried AGN?
• Astronomers! Do You Know Where Your Galaxies are?
• A Search for Bright Kuiper Belt Objects

... HST . ... Home . ... Data . ... HST Peer Review Process . ... WFPC2 Home . ... Calibration . Calibration Home . ... Data Analysis . Data Analysis Home . Data Analysis Library . ... Instrument Handbook . Data Handbook . ... Input the surface brightness in magnitudes per square arcsecond, and choose a spectral type from the menu. The default is to use Johnson Visual magnitudes, but you can use the "Visual" menu to select other Johnson-Cousins magnitudes, or AB magnitudes. ...

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• Superluminal Motion in the M87 Jet
• ST ScI Preprint #1397
• Protostars, Dust Globules, and a Herbig-Haro Object in the LMC Superbubble N51D

... 50 Weirdest Objects . ... Get to Know the Night Sky . ... Picture of the Day . ... Observing springtime deep-sky objects with a large telescope . ... How can the Hubble Space Telescope (HST) take pictures of objects light-years away but not get a good picture of Pluto? ... At its distance, it subtends a smaller angle on the sky than does a galaxy at a distance of billions of light-years. Get instant access to subscriber content on Astronomy.com! ... Get full access to StarDome PLUS . ...

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• Observing springtime deep-sky objects with a large telescope | Astronomy.com
• Bright planets meet at dusk | Astronomy.com
• Astronomers discover new giant galaxy in all-sky survey with LOFAR Telescope |

... Among their major tools of exploration are the images and data in large surveys taken using the Hubble Space Telescope. ... A Collection of Resources to Get Behind the Headlines . ... This episode of Astronomy Behind the Headlines is indeed ripped from recent headlines, when astronomers used the newly refurbished Hubble Space Telescope to see deeper into space (and thus farther back in time) than had ever been possible. ... The James Webb Space Telescope page on finding the first stars and galaxies:...

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• ASP: More About Deep Space Objects and Cosmic Terms
• ASP: Beacons in the Gloom
• ASP: The New and Improved Hubble Space Telescope

An image of the grand design of spiral galaxy M100 obtained with NASA's Hubble Space Telescope resolves individual stars within the majestic spiral arms. ... Hubble has the ability to resolve individual stars in other galaxies and measure accurately the light from very faint stars. This makes space telescope invaluable for identifying a rare class of pulsating stars, called Cepheid Variable stars embedded within M100's spiral arms. ... 617) 495-7062 . Fax: (617) 495-7356 . ...

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• HST/FOS Atlas of AGN and Quasars
• High Energy Astrophysics

... Our Sun is part of a huge wheel-shaped collection of stars. ... Astronomers have long suspected it was a very massive black hole, and that every galaxy had such a central mass, created early in the history of the universe. ... However, unless that object happens to be headed directly at the black hole (a relatively small target) it will just swing around and fly away again, like a comet making a pass at the Sun. The velocity acquired in falling towards the black hole also helps it escape. ...

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• The Celestial Sphere--lesson plan #1a
• Spacecraft Observing the Sun and the Heavens above

... STScI-PRC98-32a HUBBLE'S DEEPEST VIEW OF THE UNIVERSE [Left] A NASA Hubble Space Telescope view of the faintest galaxies ever seen in the universe, taken in infrared light with the Near Infrared Camera and Multi-Object Spectrometer (NICMOS). ... Though most of these galaxies were first seen in 1995 when Hubble was used to take a visible-light deep exposure of the same field, NICMOS uncovers many new objects. ... The field of view is 2 million light-years across, at its maximum. ...

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• STScI- PRC99-10: Hubble's Infrared Galaxy Gallery
• Hubble Detects Long-Sought Comet Population Beyond Neptune
• Two VLT Unit Telescopes in Action (ESO Press Release 07/99)

... The search for distant objects which can be both galaxies and quasars is one of the most important problems of observational astrphysics, because it allows one to determine cosmological parameters connected with the time of appearence and evolution of stellar systems, large scale structure of the Universe. ... Radio galaxies are important objects to be studied because they are sources of infrared-optical-ultraviolet continuum, emission lines and continual radio emission. ...

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• SCORPIO: IFP Gallery
• Laboratory of spectroscopy and photometry of extragalactic objects : Devices
• Laboratory of spectroscopy and photometry of extragalactic objects : Vortex1

So how do we find objects on the other side of the Universe? ... The latest instruments enable us to scan large areas of sky. Using Cerro Tololo's Blanco 4m telescope and the Canada-France-Hawaii 3.5 metre telescope , we are able to scan a piece of sky larger than the size of the moon every 5 minutes to a faintness level which allows us to find Type Ia supernovae halfway across the Universe. Type Ia supernovae are very rare - but each image we take contains 50000 galaxies. ...

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• Images taken by 2002-2003 RSAA Summer Scholars on the SSO 40 inch telescope
• Siding Spring Survey
• Julie Banfield | Astronomer

... The results of the follow-up spectroscopy of 187 emission-line galaxy (ELG) candidates from the Case objective-prism survey with the 6m telescope are described. ... Significant fraction ( 23%) of the observed Case galaxies do not show emission lines in blue. ... Observations and data reduction . IPCS observations and data reduction . CCD observations and data reduction . ... Accuracy of data, comparison with independent measurements . ...

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• The Hamburg/SAO Survey for Emission-Line Galaxies
• Results of follow-up spectroscopy
• The very metal-poor local dwarf galaxies

... Probing the Universe with galaxy clusters: New windows from new technologies . Dr Mark Bautz . ... A key to this progress has been the study of these objects using telescopes operating at millimeter, visible, infrared and X-ray wavelengths. ... His current research interests concern new X-ray imaging detector and observational studies of clusters of galaxies. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

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• Amateur Telescope Makers of Boston ATMoB Observing Awards Program

... 1994: . Deep CCD images of the bright gamma-ray bursts GRB790418 and GRB790613 localization regions were obtained for the first time. In both cases, a faint blue star-like object (V = 24.5 m , BV m ) was detected within the region of localization of gamma-ray bursts. ... Based on sixty daily instantaneous spectra of the object SS433, obtained on the RATAN-600 in April-May 1994, we traced its variability in four very powerful flares at five frequencies. ... Archive . ...

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• Detection of unique bright radio flare of X-ray binary
• RCJ0311+0507
• Galaxy sector, archive 2015

... Meade Instruments Corporation . ... Autostar Computer Controllers . 497 Autostar . ... One of the most important advances in telescope control in the past 25 years, the Meade #497 Autostar Computer Controller turns the ETX into an automatic celestial object locating system. ... The #497 Autostar Computer Controller plugs into the control panel of ETX-90EC, ETX-105EC, and ETX-125EC telescopes and enables automatic location of more than 30,000 celestial objects. ... about meade | ... Meade 4M | ...

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• Meade Instruments - Telescopes, Solar Telescopes, Binoculars, Spotting Scopes
• InfinityтДв 90mm Altazimuth Refractor - Infinity Series - Telescopes - Products
• Meade Instruments Corporation - Choosing A Telescope