... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2015 October 11 . In the Center of the Trifid Nebula . Image Credit: Subaru Telescope ( NAOJ ), Hubble Space Telescope , Martin Pugh ; Processing: Robert Gendler . Explanation: Clouds of glowing gas mingle with dust lanes in the Trifid Nebula , a star forming region toward the constellation of the Archer ( Sagittarius ). ... About APOD | ...

... In the Center of the Trifid Nebula . ... Credit Copyright: Subaru Telescope ( NAOJ ), Hubble Space Telescope , Martin Pugh ; Processing: Robert Gendler Explanation: Clouds of glowing gas mingle with dust lanes in the Trifid Nebula , a star forming region toward the constellation of the Archer ( Sagittarius ). In the center, the three prominent dust lanes that give the Trifid its name all come together. ... NASA Web Site Statements, Warnings, and Disclaimers . NASA Official: Jay Norris. ...

... The European HST Archive has been moved to ESA's European Space Astronomy Centre ( ESAC ), Spain, where most of ESA's Space Science Archives are located and operated from. ... The Space Telescope European Coordinating Facility (ST-ECF), jointly operated by ESA and the European Southern Observatory ( ESO ) was, until the end of 2010, the European HST science facility, supporting the European astronomy community in exploiting the research opportunities provided by the Hubble Space Telescope. ...

... These Frontier Fields will combine the power of HST with the natural gravitational telescopes of high-magnification clusters of galaxies. ... We are soliciting gravitational lensing maps for the last four Hubble Frontier Fields clusters (MACSJ0717.5+3745, MACSJ1149.5+2223, AbellS1063, and Abell 370) based upon the exceptionally deep HST FF imaging and other new ancillary data. ... For the full set of proposal instructions and requirements, see the FY16 Frontier Fields Lensing Map Call for Proposals....

... October 21, 1997 This Hubble Space Telescope image provides a detailed look at a brilliant "fireworks show" at the center of a collision between two galaxies. ... A ground-based telescopic view of the Antennae galaxies (known formally as NGC 4038/4039) - so named because a pair of long tails of luminous matter, formed by the gravitational tidal forces of their encounter, resembles an insect's antennae. The galaxies are located 63 million light-years away in the southern constellation Corvus. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Stars . ... Space Flight . ... Tides of light: M8 in spectacular detail (Image credit: NASA/ESA) . ... Spectacular! ... What else can I say about this stunning Turneresque image of the Lagoon Nebula (M8)? ... This is of course illusory.€а This is a false colour image: light from glowing hydrogen is shown as red, light from ionised nitrogen appears as green and light which passed through a yellow filter is coloured blue. ... Astronotes . ...

... The Tarantula Nebula , also known as 30 Doradus and NGC 2070 , is a large region of ionized gas surrounding a collection of newly-forming stars at the eastern end of the stellar bar in the Large Magellanic Cloud (many similar regions are scattered through the LMC; see Kennicutt et al. ... The false-color image above is a log-scale display of a mosaic of several images taken with a CCD camera on the 0.6m Curtis Schmidt telescope at Cerro Tololo Inter-American Observatory in December 1994. ...

... Robert L. Stewart (Brigadier General, USA, Ret.) ... SPECIAL HONORS: Awarded Army Distinguished Service Medal , Defense Superior Service Medal , 2 Legion of Merit, 4 Distinguished Flying Crossed, a Bronze Star, a Meritorious Service Medal , 33 Air Medals, the Army Commendation Medal with Oak Leaf Cluster and V Device, 2 Purple Hearts, the National Defense Service Medal , the Armed Forces Expeditionary Recipient of NASA Space Flight Medal (1984 & 1985). ...

... Tonight's Sky . ... The Magazine . ... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Bright planets meet at dusk . ... Astronomy magazine subscribers can read the full article for free. ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter....

XMM­Newton CCF Release Note XMM­CCF­REL­199 OM Grisms Calibration: Update A. Talavera, C. H. James October 19, 2005 1 CCF components Name of CCF VALDATE EVALDATE List of Blocks changed XSCS flag OM GRISMCAL 0003 2000­01­01T00:00:00 --- FLUX GRISM1 NO --- FLUX GRISM2 NO --- WAVELENGTH GRISM1 NO 2 Changes The first issue of the OM grisms calibration was based on spectra processed with IDL routines. ... The absolute flux calibration for both grisms has been updated. ...

... The French-Russian Poncelet Laboratory organizes the conference on "Random Processes, Conformal Field Theory and Integrable Systems", September 19-23, 2011, to take place in the Independent University of Moscow. ... In the last decades, the understanding of these processes has greatly benefited from the use of conformal field theory (CFT) and integrable systems (IS) which have been widely studied in the community of theoretical and mathematical physicists. ...

You can also see this page in Russian with using KOI8 (X Windows) or CP1251 (MS Windows) Cyrillic coding. The Laboratory supports the space TV experiments, mainly in the planetary exploration missions. ... Image Co-registration . ... PHOBOS mission - Martian satellites investigations. Phobos on the Martian limb, the image from Phobos-2 probe from 02/28/89. ... Russian Space Bulletin. ... Last modified at June,26 1997 Alexey Kuzmin: akuzmin@mx.iki.rssi.ru . Back to IKI home page ...

... Conjunction Over Armagh . ... Comet and Pleiades . ... Pleiades . ... Antares Region . Helix and Cat's Eye Nebulae . Orion Nebula . Lagoon and Eagle Nebulae . Crab Nebula . ... Our Galaxy Core . Andromeda Galaxy . Wide-field and Zoomed-in Galaxies . Interacting Typhoons and Galaxies . Spiral Galaxy M106 . Sombrero Galaxy . Whirlpool Galaxy . Colliding Galaxies . ... й Miruna Popescu, Armagh Observatory ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil La premi†иre c†йph†йide de Hubble . ... C'est en observant les †йtoiles variables de type c†йph†йide que l'astronome Edwin Hubble a mesur†й pour la premi†иre fois la distance de la galaxie M31 †а l'aide du t†йlescope Hooker de 2,5 m du mont Wilson, en 1923. ...

... SITe Selected to Provide CCDs for $20 Million Telescope. Sloan Digital Sky Survey Program to Provide Map of Universe on CD-ROM . ... October 30, 1995- Scientific Imaging Technologies, Inc. ... Known formally as the Sloan Digital Sky Survey Program, this telescope will be used to complete the first survey of the Northern Hemisphere since the Palomar Observatory Sky Survey in the late 1930's. "The CCD technology SITe has developed delivers a tremendous boost to space research. ...

dfos = Data Flow Operations System, the common tool set for DFO . ... Daily workflow . DFOS . ... provided by DFS . ... These steps are called per DATE, the middle part also per MODE (CALIB or SCIENCE). I. Pre processing . ... DFOS tool . ... process for CALIB files . ... all tools from daily workflow part I up to II (except certification) . ... all tools from daily workflow, except for createAB, certifyProducts . ... DFOS tools: overview . ... DFS : tool developed and maintained by DFS . ...

The AstroGuide . ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . IPAC exists to carry out large, data-intensive processing tasks of critical importance to NASA's infrared astronomy program, and to provide scientific expertise on those projects to the astronomical community. ... Web Site . ... Web . ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... I would several points which we faced during our everysolved for better quality of individual ACs' and EOP products · There are two main EOP products provided by two IERS Product Centers on Earth Orientation (Earth Orientation Center (EOC) and Rapid Service/ Prediction Center (RSPC)). ... However, the latter is not provided by the IERS. ... ITRF · Using ITRF in computation of EOP series produced by various ACs seems to be a necessary condition to provide the consistency between the IERS products. ...

You must have a Java-enabled browser to run ImageJ. For Firefox, use these settings to allow Java: . ... Enable Java . If you accept the certificate you will be able to view images that are stored on your computer. Otherwise, you may view only images that are provided by this server. ... If you are unsure, tryout the browser test at SUN's Java website: . Java Browser Test and follow the instructions. ... kielkopf at louisville dot edu . ...

... Bad Astronomy . ... Bitesize Astronomy . ... Have you ever looked at pictures of Saturn's rings and noticed what look like gaps in the rings? ... Gian Domenico Cassini discovered a large gap in Saturn's rings in 1675. Later, an astronomer named Encke discovered a smaller gap near the edge of the rings. ... It was found long ago that an orbit in the Cassini Division, as the large gap is named, has a period almost exactly one-half that of one of Saturn's moons named Mimas. ... 2008 Phil Plait. ...