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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... 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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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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• galaxies | Astronotes
• Other Galaxies | Astronotes
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... Observing . ... Observing springtime deep-sky objects with a large telescope . Springtime observing for small telescopes . ... Astronomy magazine Editor David J. Eicher shares 10 of his favorite springtime deep-sky objects, including the NGC 3190 galaxy group, 3C 273, and NGC 3242. ... In this video, Astronomy magazine Editor David J. Eicher discusses deep-sky objects in the spring sky you can see with a 12-inch or larger telescope. ... Get instant access to subscriber content on Astronomy.com! ...

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• More spring objects to observe | Astronomy.com
• near earth objects | Astronomy.com
• 50 Weirdest Objects in the Cosmos | Astronomy.com

... About ATMoB . ... The Observing Committee is starting an Observing Awards Program to promote observing among the membership of the Amateur Telescope Makers of Boston. ... Participant must be a current member of the Amateur Telescope Makers of Boston . ... To qualify for your Observing Award Certificate, turn in your worksheet and drawings to an ATMoB Observing Committee member or observing@atmob.org . ... This Excel sheet has useful macros. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

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• Amateur Telescope Makers of Boston

... 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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• Observing Faint Targets Near Bright Objects
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... ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . ... We have observed 210 Seyfert galaxies and 81 starburst galaxies with the 275-km Parkes - Tidbinbilla Interferometer (PTI) at 2.3 GHz (Norris et al., ... This result shows a significant difference between the two samples, and shows clearly that, although a few starburst galaxies may contain a buried AGN, the majority do not. ...

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• Australia Telescope National Facility
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... 2013 July 28 . Hoag's Object: A Strange Ring Galaxy . ... This question came to light in 1950 when astronomer Art Hoag chanced upon this unusual extragalactic object . ... How Hoag's Object formed remains unknown, although similar objects have now been identified and collectively labeled as a form of ring galaxy . ... Hoag's Object spans about 100,000 light years and lies about 600 million light years away toward the constellation of the Snake ( Serpens ). ... About APOD | ...

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• APOD: 2002 September 9 - Hoags Object: A Strange Ring Galaxy
• APOD: 2010 August 22 - Hoags Object: A Strange Ring Galaxy
• APOD: 2004 August 15 - Hoags Object: A Strange Ring Galaxy

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• Deep Sky Gallery by Ed Fox ? Amateur Astronomers Association of New York
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... Hoags Object: A Strange Ring Galaxy . ... Credit Copyright: R. Lucas ( STScI / AURA ), Hubble Heritage Team , NASA Explanation: Is this one galaxy or two? ... How Hoag's Object formed remains unknown, although similar objects have now been identified and collectively labeled as a form of ring galaxy . ... The above photo taken by the Hubble Space Telescope in July 2001 revealed unprecedented details of Hoag's Object. ... July . ... July 2013 . ... The Double Ring Galaxies of Arp 147 from Hubble . ...

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• Астронет > Hoags Object: A Strange Ring Galaxy
• XWare > APOD

... The new emission line galaxies are listed in Table 2 containing the following information: . column 1: The object's IAU-type name with the prefix HS. ... This was not corrected in the figure shown in Appendix A. HS1214+3801 : This is seemingly a supergiant H II -region at the very rim of the nearby edge-on disc galaxy (SA(s)cd) NGC 4244 (V hel = 224 kms -1 and B T =10.88). ... To check this option one needs a detailed map of the NGC 4244 velocity field including HS 1214+3801. ...

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• The Hamburg/SAO Survey for Emission-Line Galaxies
• Discussion
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... A radio galaxy is a galaxy that emits an unusually big amount of energy at radio wavelengths. ... Inside of each galaxy with an active nucleus (radio galaxies are among them) there must be a system of a "central machine" responsible for the colossal amount of the emitted energy from radio to gamma ranges. ... Sometimes a radio source in an active galaxy may flare again if the needed conditions appear (a new portion of matter would fall into the furnace of the "central machine"). ...

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... Astronomy and Astrophotography - amateur tips and ideas from personal experience. ... CNES : CLEMENTINE data Server - Access to 1.8 million lunar images . ... Astrofili on the Web - Dr. Fabio Marino's CCD images and links. Astronomical Images - Deep-sky astronomical photographs. ... Astronomy Page - collection of amateur astrophotographs, along with observatory and Hubble images. ... Igor's Astronomy Page - with thumbnail links to images from observatories, including the Hubble Space Telescope. ...

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... Galaxies which were observed in the project . Location of vortex centers . Laboratory simulations . ... Vortex structure of NGC 157 . Vortex structure of our Galaxy . ... Line-of-sight velocity fields of gas with high precision and resolution are planned to be obtained for the sample of galaxies with regular spiral structure to reveal systematic deviation from circular rotation and to analyze it on the base of hydrodynamical models, which are in progress. ... Back to Laboratory Home Page. ...

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• AAAP Meeting Announcement

General Forum Message . Forums: . ... Deep Space Object Galaxy Near M13 . ... Can anyone tell me if there is a DSO (likely a galaxy) near M13? ... The reason it interests me is that I drew a sketch of M13 years and years ago while observing - and that object is one of the handful of 'stars' that I drew. ... www.astronomy.net . About Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• Black Holes And RedShift - an Astronomy Net Blackholes Forum Message

ESO PR Photo 18b/00 . ... Caption : Images of two of the novae in NGC 1316 that were discovered during the observational programme described in this Press Release. ... In particular, no less than four novae were detected in a single giant galaxy within only 11 days . ... Moreover, the discovery of four novae in one galaxy in the Fornax cluster was possible with only 3 hours of observing time per filter. ... ESO Press Information is available on the WWW at . http://www.eso.org/outreach/press-rel/ . ...

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• Star formation
• Deep Space Objects
• Accretion disks in luminous young stellar objects

... 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 Corporation - Choosing A Telescope
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... 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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