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 . ...

... 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 . ...

... August 15, 1998 . The Perseus Cluster of Galaxies . ... Each of the fuzzy blobs in the above picture is a galaxy, together making up the Perseus Cluster, one of the closest clusters of galaxies . We view the cluster through the foreground of faint stars in our own Milky Way Galaxy . ... The Perseus Cluster of Galaxies is part of the Pisces-Perseus supercluster of galaxies , which spans over 15 degrees and contains over 1000 galaxies. ... About APOD > . ... NASA Technical Rep.: ...

... A Distant Cluster of Galaxies . ... 14.01.1996 . ... Credit: NASA , HST , A. Dressler ( CIW ) Explanation: Every bright object in this 1994 photograph by the Hubble Space Telescope is a galaxy . ... This rich cluster of galaxies , named CL 0939+4713 , is almost half way across the visible universe. ... Publications with keywords: cluster of galaxies . Publications with words: cluster of galaxies . ... Illusion and Evolution in Galaxy Cluster Abell 2667 . ... Abell 2218: A Galaxy Cluster Lens . ...

Target names are used to provide unique designations for the targets that will be used throughout the proposal. These names will generally also be used in Phase II, and ultimately to designate targets in the HST data archive. ... This facility will be most useful if consistent naming conventions are used. ... If a target is not contained in these catalogs, other catalog designations may be used (e.g., 4U X-ray catalog designation, Villanova white-dwarf catalog number, etc.) ... Target Type . ...

... Armagh Planetarium . ... Universe . ... Posted on October 28, 2013 | ... Continue Reading.. ... 3 Comments New research and findings are coming to light suggesting that that we Earthlings might just all really be descended from Martians instead of€а that fell down to Earth on a [ ] . ... Posted on September 27, 2013 | ... 6 Comments So, last year I compiled a top 10 list of the best Space/Astronomy gifts which you can view by clicking here.€а I was so looking forward to receiving my Sheldon [ ] . ...

... General information . ... Staff . Research staff . Technical, administrative & librarian staff . ... Staff in alphabetic order . Research . ... Technical reports . Projects . ... General interest seminars . ... IT Services . ... Information . Resources and catalogs . ... Historical highlights . Historical research . Historical archive . ... Projects and events . Online resources . ...

Among the functions the Cluster Database supplies the tclets are usefull tool for various researches (for example, for identification of radio and of optical sources). ... Three type of object are present on the picture: . ... To place the current object under all other click on left mouse button. To remove the object click on right one. ... You can switch off/on all objects of some type by clicking on the Control window buttons: "Galaxies", "FIRST radio objects" or "NVSS radio objects". ...

... Two collections of galaxies, which are called galaxy clusters , collided. The resulting galaxy cluster that formed from the collision is called El Gordo, which means fat one in Spanish! ... A galaxy cluster like this, with El Gordo's huge size and found so far away in the Universe, is a very rare space object. ... To measure El Gordo s distance from Earth, astronomers used a telescope called the Very Large Telescope, which is based in the country Chile in South America. ...

IFP gallery SCORPIO (since 2000). Here some data observed on the 6m telescope with IFP installed in the SCORPIO focal reducer are presented. ... Velocity field . Mkn 1157 was observed 1 Sep. 2002 in the Ha emission line. Texp =32x240 sec, seeing 1.5", IFP260. ... This galaxy was observed September, 23 2000 in the Ha emission line, Texp=32x120 sec, seeing 2.5", IFP260. ... PV Cep was observed at the 6m telescope in May, 25 2003 in the [SII] 6716A with IFP501, Texp=36x200 sec, seeing 1.0". ...

... Our recent observations with the Hubble Space Telescope (August 29, 2014) led to revealing a highly isolated dwarf spheroidal galaxy KKs 3 situated at a distance of 2.12 0.07 Mpc from the Milky Way. The dSph galaxy locates on the southern sky (RA=02 h 24 m 44.4 s , Dec.= ... Over the last decade, about 30 dSph galaxies have been discovered inside the Local Group through systematic search in the vicinity of M31 and more that a dozen dSphs were discovered in the nearby group around M81. ...

. SOME OF WELL-KNOWN DEEP SKY OBJECTS: . All images taken with 150/695mm homemade Newton reflector + SBIG ST6 CCD camera (falsecolors) . The treasures of Orion - some special images . Some galaxies on the Lion's mane . Messier 98, 99, 100 - three fine galaxies in Coma . NGC 6946 and NGC 6939 - nice galaxy and fine star cluster in one field of view. HOME (Eng) | HOME (Rus)

... Next: Unsupervised Catalog Classification Up: Object Detection and Previous: Classification of Objects . ... Multi-resolution allows for image analysis in terms of different scales. ... This approach is used for the detection (and subsequent analysis) of globular cluster systems around elliptical galaxies, and for image characterization and object trawling in large image databases. ... The applicability of this approach to object detection in large image collections has been investigated. ...

... Tonight's Sky . ... Observing . ... Globular cluster NGC 2808, elliptical galaxy NGC 2986, and the Sextans Dwarf . ... The 109 objects in a March globular cluster marathon . ... In the March 2014 issue of Astronomy, I challenged readers with the question, How many globular clusters can you see in might night? Taking the Messier marathon as inspiration, I made a list of 109 globular clusters to track down in a single night in March. ... Get instant access to subscriber content on Astronomy.com! ...

Next: Critical Frequencies and Gravitational Previous: Extragalactic Gravitational Wave Background . The number of binaries per frequency decade per solid angle from a separate stellar system (galaxy or cluster of galaxies) is . ... For example, for the Andromeda galaxy M31 ( rad, ) one gets . ... If the angular size of the galaxy is less than the angular resolution of the detector, the critical frequency is independent of the angular resolution, . ...

... 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. ...

... In the table given at a separate sheet enumerate in growing order (from 1 to 13) the size and the mass of each object: Milky Way Galaxy, Andromeda Galaxy, Neutron star, Electron, Mercury, The first satellite "Sputnik I", Venus, Pluto, Proton, Red dwarf, Black cat, White (Polar) bear, the Sun. ... Star setting. ... Comet Lovejoy. ... Radio- (operating wavelength is about 21 cm) and optical (operating in the light visible to the naked eye) telescopes have been used to study an astrophysical object. ...

... The study of the Large-scale structure of the Universe and measurements of the Dark Energy equation of state; The exploration of the growth and cosmological evolution of supermassive Black holes in the Universe. ... In course of the all sky survey SRG will discover about 100 000 galaxy clusters and 3 million AGNs. Galaxy clusters are the largest gravitationally bounded objects in the Universe and are best explored through the study of X-ray emission from the hot intergalactic gas. ... 2016 IKI RAN ...

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" . ...

... Australia Telescope Compact Array . ... Compact Stellar Systems in the Fornax Cluster: Super-massive Star Clusters or Extremely Compact Dwarf Galaxies? ... We suggest that these objects are either super-massive star clusters (intra-cluster globular clusters or tidally stripped nuclei of dwarf galaxies) or a new type of low-luminosity compact elliptical dwarf (``M32-type'') galaxy. ... Keywords: galaxies: star clusters -- galaxies: dwarf -- galaxies: formation . ... Properties of the compact objects ...