... 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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... FIT visit 18 January 2006 Overview · · · · · · · · · Hubble's Advanced Camera, Discovery Team Discovery of Pluto, Charon, and the Kuiper Belt Early Hubble observations of Pluto Hubble mission support for New Horizons: discovery of two more Pluto satellites Confirming and following-up the discovery Implications, and recent related discoveries New Horizons mission to Pluto and beyond More information via the web Questions? ... New moons of Pluto! ... Pluto Moon Earth Should we call Pluto a planet? ...

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• Near Infrared Camera and Multi-Object Spectrometer Instrument Handbook for

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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New Moons of Uranus . Brent Gladman's Home Page . ... The discovery of two probable distant satellites of Uranus was reported by B. Gladman, P. Nicholson, J. Burns and J. Kavelaars. ... This discovery was reported in the IAU Circular 6764 . ... Discovery image of S/1997 U 2 . This shows the discovery image of brighter of the two new moons of Uranus. ... This shows the discovery image of faint new moons of Uranus. ... This shows another discovery image of faint new moons of Uranus. ... Uranus . ...

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• Kuiper Belt Objects
• A SN at z~0.95 in the HDF
• Shared Object Cache in Apache HTTP Server - Apache HTTP Server

... For example, when a star more than 30 times as massive as the Sun reaches the end of its life, it becomes a black hole. But three years ago, astronomers stumbled across the remains of a star 40 times more massive than the Sun and what they found wasn t a black hole, it was a magnetar. ... The companion eats enough of the star that it is no longer massive enough to form a black hole when it eventually explodes, and a magnetar is formed instead. ...

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• Detailed view of the Prawn Nebula from ESO's VST | ESO
• OmegaCAM, the monster camera of the VLT Survey Telescope | ESO
• Panning across the reflection nebula Messier 78 | ESO

... Indeed, one alteration of orbits can be the outright ejection of a planet. When several big planets are orbiting a star under each other's influence, the system is inherently unstable. ... We know of no good reason why the smallest objects with fusion should have the same mass as the smallest objects that can form by themselves. ... 6) Mission Definition . ... I don't think this mission is impossible, and will suggest a definition in a future article in Mercury. ... Good luck! . ...

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• ASP: More About Deep Space Objects and Cosmic Terms
• Astronomical Society
• ASP: Making Your Own Astronomical Camera

... The spectrograph SP-124 at the Nasmyth-1 focus of the 6 m telescope with UAGS camera and Photometrix CCD PM1024 ( m pixel size) was used for the observations. ... Gratings with 300 and 600 grooves/mm were used, resulting in a spectral resolution of approximately 12 and 6 ? ... A He-Ne-Ar lamp was used for wavelength calibration. ... April 6.914 . ... The reduction of the original two-dimensional CCD data included the standard steps such as bias and dark subtraction, flat-fielding, cosmic-ray removal...

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• Ned Wright's Cosmology Tutorial
• Moving objects
• The GTK+ Object and Type System

T he Siding Spring Survey (SSS) is a Near-Earth Object search program that utilises the 0.5-m Uppsala Schmidt Telescope at Siding Spring Observatory, N.S.W., Australia. ... The mission of the Siding Spring Survey is to contribute to the inventory of near-earth objects (NEOs), or more specifically, the potentially hazardous asteroids (PHAs) and comets (PHOs) that may pose a threat of impact and thus harm to civilization. ... Based on the CSS Mission page . ... Siding Spring Survey Main Page . ...

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• Siding Spring Survey Survey/Media
• Siding Spring Survey 162P/Siding Spring
• Siding Spring Survey Follow-up Obs

Several tiny moons have been discovered recently, most from ground based imagery! With these discoveries, Uranus joins the jovian planets in having a number of small moons in irregular orbits. ... Two new moons of Uranus , provisionally known as Uranus XVI (S/1997 U 1) and Uranus XVII (S/1997 U 2), have been discovered. ... Caliban was discovered by Brett Gladman , Phil Nicholson, Joseph Burns, and JJ Kavelaars using the 200 inch Hale telescope ; the first images were taken 1997 Sept 6 and 7. ...

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• Kuiper-Oort
• SAI Supernova catalog
• Contributions by amateurs: SN1995ad.

My name is Steve Foulkes, I have had the good luck to find SN 2000C in NGC2415. This is part of my discovery image which shows NGC2415 and the SN. ... Steve Foulkes . Image Data: . ... Object NGC 2415 recorded on 2000 Jan 8.789UT with a 0.26-m LX200 telescope on an image secured for the UK Nova/Supernova Patrol. ... The software is also used to analyse an image, and can to a limited degree, also indicate changes in the image. ... Back to Supernova 2000C in NGC 2415 . ...

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• Supernova 1999aa in NGC 2595
• Bright Supernova pages - Statistics
• Bright Supernova pages - Statistics for 2012

... ATNF Home . About ATNF . ... About ATNF overview . ... Parkes radio telescope . Australia Telescope Compact Array . ... Australia Telescope 20GHz Survey . ... Compact Stellar Systems in the Fornax Cluster: Super-massive Star Clusters or Extremely Compact Dwarf Galaxies? ... Our Fornax Spectroscopic Survey , carried out with the 2dF multi-object spectrograph on the Anglo-Australian Telescope (see Drinkwater et al. 2000), is now 87% complete in its first field to a limit of B J =19.7. ...

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• Multi-object spectroscopy of the field surrounding PKS 2126-158 - discovery of
• Technical Issues and Challenges
• A Search for Bright Kuiper Belt Objects

... We have developed a web site using HTML, Php, Python, and MySQL that extracts, processes, and displays data from the Sloan Digital Sky Survey (SDSS) and the Two-Micron All-Sky Survey (2MASS). The goal is to locate brown dwarf candidates in the SDSS database by looking at color cuts; however, this site could also be useful for targeted searches of other databases as well. MySQL databases are created from broad searches of SDSS and 2MASS data. ... 2002). ... 2002, AJ, 123, 3409 . ...

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• Modern CCD Observations of Moving Celestial Objects: Algorithms and Software
• A Search and Discovery Tool - AMASE
• Object Detection Using Multi-Resolution Analysis

... How does the New Horizons mission team intend to target additional objects in the Kuiper Belt, and how will the craft approach them after the Pluto system encounter? ... RELATED TOPICS: NEW HORIZONS . While there is an incredible dispersion of orbits for objects in the Kuiper Belt, only an extremely small fraction of those bodies are potential targets for the New Horizons spacecraft. ... Get instant access to subscriber content on Astronomy.com! ...

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• Weird Object: Uranus | Astronomy.com
• How can the Hubble Space Telescope (HST) take pictures of objects light-years
• Observing springtime deep-sky objects with a large telescope | Astronomy.com

... Click on an object in the solar system or choose from the list at left to learn more . The Arecibo Observatory planetary radar is the world's most powerful instrument for post-discovery characterization and orbital refinement of near-Earth objects. ... The Solar System Studies group is a department of the Arecibo Observatory, which is an NSF facility operated under cooperative agreement by SRI International, Universities Space Research Association (USRA), and la Universidad Metropolitana (UMET). ...

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• Arecibo Radar Discovers Triple Near-Earth Asteroid
• What is a pulsar?
• Asteroid 1998 QE2 and Moon Safely Pass Earth

... December 21, 1997 . ... Advantages are briefly discussed of gaining in spectral resolution, which is accompanied by losses in signal level, as compared with the attempts to improve the accuracy of measurement of line parameters by means of rising the S/N ratio alone with increasing the exposure time. To partially solve the problem of observations of faint objects at the BTA a new design echelle spectrometer is proposed. high resolution spectroscopy . ...

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• Laboratory of spectroscopy and photometry of extragalactic objects : Vortex1
• Search for distant radio galaxies in SAO
• Laboratory of spectroscopy and photometry of extragalactic objects : Devices

... Астронет | ... Переменные Звезды | ... Микролинзирование . ... На протяжении последних нескольких лет в рамках проекта MACHO проводятся наблюдения микролинзирования звезд Большого Магелланова Облака - спутника нашей Галактики. Эффект микролинзирования заключается в гравитационной фокусировке света звезды массивным объектом, находящимся на луче зрения между звездой и наблюдателем. ... Согласно некоторым гипотезам, линзами могут являться реликтовые черные дыры или "нейтралинные звезды". ...

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• Journal "Peremennye Zvezdy"
• XWare > APOD

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... History . Brief History of Rocket and Space Technology . ... Flights Chronology . ... Project History . ISS Russian Segment . Steps of ISS Assembly . Spaceflights Chronology . Chronology of Extravehicular Activity . ISS 45/46 . ... An additional objective is to detect micro-particles in the vicinity of the space station. ... 2015 JSC "S.P. Korolev RSC "Energia" . ...

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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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• http://www.astro.louisville.edu/shared_skies/archive/select/unusual/hoags_object/20110412/log.txt
• http://www.astro.louisville.edu/shared_skies/archive/select/unusual/hoags_object/20130412/log.txt
• AstroCC - A Coordinate Converter for Astronomy

... 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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• Discovery of an isolated dwarf spheroidal galaxy neighboring the Local Group
• Discovery of enrichment of the envelopes of post-AGB stars with heavy metals
• IRAS01005+7910

... Bad Astronomy . ... This page has images and links that George Noory and I discussed on the Coast to Coast AM radio show on Friday night, July 29, 2005. ... Two new objects were announced today, and both are big, maybe as big as Pluto. One is almost certainly bigger than Pluto! ... I've been saying for years that we will almost certainly find something bigger than Pluto out there in the dark, cold reaches of our solar system (I've said so on Coast to Coast several times, actually). ...

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• Phil Plait's Bad Astronomy: Bitesize Tour of the Solar System
• Phil Plait's Bad Astronomy: Bad TV
• Phil Plait's Bad Astronomy: Mad Science