... Galactic Centre Starscape . ... Thirty thousand light-years distant, beyond the majestic dust clouds of the constellation Sagittarius, lies the centre of our Milky Way Galaxy. ... BATSE GRB Final Sky Map . ... M63: The Sunflower Galaxy . ... One of the bright spiral galaxies visible in the north sky is M63, the Sunflower Galaxy. ... Newton Crater: Evidence for Recent Water on Mars . ... Ganymede: The Largest Moon in the Solar System . ... If Ganymede orbited the Sun, it would be considered a planet....

... 2015 February 18 . Dark Craters and Bright Spots Revealed on Asteroid Ceres . ... Explanation: What are those bright spots on asteroid Ceres? ... Sharper new images taken last week and released yesterday indicate, as expected, that most of the surface of dwarf planet Ceres is dark and heavily cratered like our Moon and the planet Mercury . ... The enigmatic spots were first noticed on Texas -sized Ceres a few weeks ago during Dawn's approach. ... About APOD | ...

. Home . News . Gallery . Events . Twitter . Press Releases . Links . Contact Us . Calendar . Press & Web Coverage . Previous . List . Noctilucent Clouds or (Night Shining Clouds) imaged on the 13 June 2008 at 01:08UT from a north facing vantage point near Maghaberry Co.Down N.Ireland. The bright star Capella is seen on the left, while the stars of Perseus are at centre. Monday, 9 February 2009 11:57 . International Year of Astronomy, Ireland National Node . [Back To Top] .

Astronotes Armagh Planetarium's Stellar Blog! ... Moon . Planets . ... Monthly Sky Notes . ... February . ... The ringed planet will be quite bright, but unlike Jupiter it will not be the brightest point of light in the sky, this accolade will return to Sirius which is the brightest star in our night sky in the constellation of Canis Major. ... Seven days later on February 18, the Moon will be in its full Moon phase. ... Tweets that mention Wonders of the February Night Sky | ... Astronotes . ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. February 9, 1999 . A Supernova Star-Field . Credit: Hubble Heritage Team ( AURA / STScI / NASA ) . Explanation: Bright stars don't last forever. ... The above picture is a composite of recent images taken over several years. The explosion originated from a bright massive star that ran out of nuclear fuel . ... About APOD > . ...

... The Pleiades star cluster, also known as the Seven Sisters and Messier 45, is a conspicuous object in the night sky with a prominent place in ancient mythology . ... The stars in the Pleiades are thought to have formed together around 100 million years ago, making them 1/50th the age of our sun, and they lie some 130 parsecs (425 light years ) away. ... Data for these stars are listed in a table below. ... Yes . ... WEBDA Pleiades cluster data . ... M45: The Pleiades Star Cluster (2007 November 18) ...

GALAXIES cenA .tiff 40 Bright Radio Galaxy M31.tiff Nikon Andromeda Galaxy (note HII regions in spiral arms) ngc6744.tiff 40 NGC 6744 a face-on spiral clouds_20d.tiff H'blad The Magellanic Clouds our nearest neighbours Lmc_7.tiff Nikon The Large Magellanic Clouds Lmc_zoom.tiff Nikon Detail of previous image smc_7.tiff Nikon The Small Magellanic Clouds smc-zoom.tiff Nikon Detail of previous image 30dor_40_BVR.tiff 40 The 30 Dor ... B [OIII] Halpha trifid.tiff 40" The Trifid Nebula. ...

Astronomy Discussion Forums . Forums: . Atm ћ Astrophotography ћ Blackholes ћ Blackholes2 ћ CCD ћ Celestron ћ Domes ћ Education . ... Discussion Forums . ... Brightest Northern Hemisphere Galaxy . Forum List | ... Post Message | ... In which constellation would I find the brightest galaxy in the northern hemisphere? ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

In this gallery are many images of Low Surface Brightness Galaxies which have recently been discovered and analyzed. ... The central surface brightness of this galaxy is 24.28 . Malin 2 This galaxy is another huge disk galaxy with a scale length of 15 kpc and a redshift of 15000 km/a. The high surface brightness knot in one of its spiral arms actually has the same color, luminosity and H-alpha equivalent width as the entire Large Magellanic Cloud . ... Truly it is a Low Surface Brightness Galaxy. ...

... Abstract . ... Aaron S. Evans, State University of New York at Stony Brook . An Ultraviolet Survey of Luminous Infrared Galaxies in the Local Universe . ... The Parallax of the Planet Host Star XO-3 . ... The Recent Star Formation History of SINGS Galaxies . ... Detecting such variations require extemely high signal-to-noise; nonetheless, observations have been extended to a handful of other stars. ... GO 11966: The Recent Star Formation History of SINGS Galaxies . ... Past weeks: . ...

... What a beautiful picture of a field of stars from the European Southern Observatory! ... A patch of sky so filled with stars that hardly any dark spots are seen across the entire picture. However in the centre, next to an especially bright, blue star cluster, you can see a strange dark cloud. ... We call clouds like this one Bok globules'. ... Bok globules are the remains of much larger clouds, known as 'molecular clouds'. ... What do you see in this dark patch? We see a lizard. ...

15m) Baerbel Koribalski (ATNF) "The HIPASS Bright Galaxy Survey" . ... 15m) Stuart Ryder (AAO) "HIPASS J0731-69: A New Tidal Feature in the NGC 2442 Group" . ... 15m) Meryl Waugh (U.Melbourne) "The Fornax Region: Searching for Clusters in HIPASS" . ... 15m) Martin Zwaan (U.Melbourne) "Constaints on the Space Density of Intragroup HI Clouds" . ... 15m) Lister Staveley-Smith (ATNF) "Mapping the Magellanic Stream" . ... 15m) Joss Bland-Hawthorn (AAO) "HIPASS HI clouds and the metagalactic UV field" . ...

... Archive for February 2007 . ... Sometime early this year, Jeremy Drake asked this innocuous sounding question in the context of determining the bounds on the amplitude of an absorption line: Is the 3sigma error bar the same length as 3 times the 1sigma error bar? ... Likelihoodists will say ?Maybe, yeah, er, depends?, and Bayesians will say ? ... Tags: Bayesian , central limit theorem , confidence bounds , error bar , Frequentist , highest posterior density , HPD , likelihoodist , sigma . ...

... Home Education Classes AAA Spring Astronomy Class: The Physics of Astronomy тАУ February ? March 2016 . ... Classes . ... AAA Spring Astronomy Class: The Physics of Astronomy тАУ February - March 2016 . ... This MonthтАЩs Sky тАУ March 2016 . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

... Tonight's Sky . ... The Magazine . News . Observing . ... Magazine . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... Astronomy for Kids . ... February 2015 . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine . ...

... 8 February , 2014 SAI seminar (Ryde et al 2010) 5 Thermal emission from GRB jet progenitor observer photon jet Photosphere (=1) · · · · Photons are not produced at the photosphere We have to calculate radiative transfer We need to know where the photons are produced We construct the expression for effective optical depth in relativistic flow considering random walk process in relativistic flow SAI seminar 6 8 ... 8 February, 2014 SAI seminar 28 ...

. Please standby and you will be automatically connected to the new location of the unframed Supernova page. Or, click on the link above. If you have questions or problems, please email me at David Bishop dbishop@vhdl.org . Last modified: Mon Aug 27 12:40:15 EDT 2001

... Sun images . Magnetic storms online . Sun flares . Geomagnetic activity forecast . ... February : 2016 . ... No geomagnetic storms were observed for the past 3 hours No geomagnetic storms were observed for the past 24 hours . ... Mean planetary A index = 6 . ... Last updated: February 10, 2016 00:00 UT . ... 1953-2016 Laboratory of X-ray astronomy of the Sun, LPI RAS, Russia . ... 7(499)132-65-96, Fax: +7(499)132-65-97 . ...

... Paul Bennie pbe@star.le.ac.uk Friday, 16 February 2001 XMM EPIC MOS MOS-2 pixels. ... Paul Bennie pbe@star.le.ac.uk Friday, 16 February 2001 The defect seem to be most quick CCDs 1, 2 XMM EPIC MOS MOS-1 pixels. ... Paul Bennie pbe@star.le.ac.uk Friday, 16 February 2001 XMM EPIC MOS New Defects in rev. 108 flare. XMM EPIC MOS Paul Bennie pbe@star.le.ac.uk Friday, 16 February 2001 New Defects in rev. 169 flare. ... Paul Bennie pbe@star.le.ac.uk Friday, 16 February 2001 XMM EPIC MOS ...