... In the Center of the Virgo Cluster . ... The Virgo Cluster is so close that it spans more than 5 degrees on the sky - about 10 times the angle made by a full Moon. ... Blue Saturn . ... The image has been adjusted to approximate the natural blue color of visible sunlight scattered by the gas giant's upper atmosphere. ... Not everything seen on the night sky is understood. ... A Telescope Laser Creates an Artificial Star . ... NGC 3132: The Eight Burst Nebula . ... The Radio Sky: Tuned to 408MHz . ...

... 2004 February 17 . Galaxy Cluster Lenses Farthest Known Galaxy . ... Explanation: Gravity can bend light, allowing whole clusters of galaxies to act as huge telescopes. Almost all of the bright objects in this just- released Hubble Space Telescope image are galaxies in the cluster known as Abell 2218. ... The power of this massive cluster telescope has recently allowed astronomers to detect a galaxy at a redshift of about 7, the most distant galaxy or quasar yet measured. ... About APOD | ...

Astronotes Armagh Planetarium's Stellar Blog! ... Planets . ... Our Galaxy . ... Stars . ... Posted on March 14, 2012 | 23 Comments How big is the largest known star? ... Continue Reading.. ... Posted on November 10, 2011 | ... 2 Comments Once planets orbiting other stars were unknown as they could not be directly observed. ... 5 Comments Once exoplanets, worlds orbiting other stars, were the stuff of science fiction but now we know of literally hundreds of real alien planets circling other stars. ...

... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Globular cluster NGC 2808, elliptical galaxy NGC 2986, and the Sextans Dwarf . ... The Dish Cluster, the Pencil Nebula, and spiral galaxy NGC 2655 . February 25 March 3, 2016: The Dish Cluster in Puppis offers small-telescope owners a nice view, while large-telescope owners can seek out the Pencil Nebula in Vela and spiral galaxy NGC 2655 in Camelopardalis. ... Large telescope: Spiral galaxy NGC 2655 . ...

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. ...

... 87.1083Owen+ VIII/29 1400-MHz Survey of 1478 Abell Clusters of Galaxies (Owen+ 1982) ================================================================================ A 1400-MHz Survey of 1478 Abell Clusters of Galaxies Owen F.N., White R.A., Hilldrup K.C., Hanisch R.J. =1982AJ.. ... 0,] Major axis error 70- 71 A2 --- n_MajAxi *[ A, B, C,NR, ] Major axis note 73- 74 I2 arcmin MinAxi *? ... Note on dist-C: Ratio of the distance of the source from the cluster center to the corrected Abell cluster...

... 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....

... 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. ...

... ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... We now know that globular clusters formed at high redshift and that they survived violent merging events and galaxy metamorphoses with time, preserving the chemo-dynamical record of their parent galaxies. ...

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. ...

... Non-NGC Images . ... Bright nebula in Orion (and Horse Head)..... image . ... Diffuse nebula in Orion (M78)..... image ..... caption . ... Galactic cluster in Auriga (M37)..... image ..... caption . ... Galactic cluster in Gemini (M35)..... image ..... caption . ... Rosette nebula..... image ..... caption . ... Spiral galaxy in Cepheus..... image ..... caption . ... Galactic cluster in CMa (M41)..... image ..... caption . ... Galactic cluster in Monoceros (M50)..... image ..... caption . ... Galaxy ...

COLOR PRINT OF NGC 4881 AND PART OF THE SURROUNDING FIELD This photo mosaic, which shows a field of distant galaxies, is a computer enhanced reproduction of a picture taken 4 March 1994 with the repaired Hubble Space Telescope. ... It is a 13th-magnitude elliptical galaxy in the outskirts of the Coma Cluster, a great cluster of galaxies more than 5 times farther away than the Virgo Cluster. ... We must find that peak ("turnover") in NGC 4881 in order to judge the distance. ...

... a spiral galaxy some million light years away, made by combining images . ... 1st February using the Armagh Robotic Telescope at the Armagh Observatory. ... Image credit: Simon Jeffery. Astronomers Simon Jeffery and Jack Wright have obtained their first images of deep-space objects using a new тАЬroboticтАЭ telescope at Armagh Observatory. ... Simon Jeffery, project scientist for the new telescope, said: "After two years of hard work, it is very satisfying to see the first images looking so good. ...

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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" . ...

... Home Gallery Astrophotography Deep Sky Images by Joe DiNapoli . ... Deep Sky Images by Joe DiNapoli . ... Deep Sky Gallery by Ed Fox . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . Observing Resources for Amateur Astronomers - Part 2: Intermediate 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 . ...

The HI Mass Function: Open Questions Stephen Schneider University of Massachusetts The Evolution of Galaxies through the Neutral Hydrogen Window 1 February 2008 HI Mass Functions = ­1.5 = ­1.2 Is the bright end variable? Is There One HI Mass Function? ... Also face flux-bias problems when hunting close to noise: promote more weak sources than lose stronger sources Arecibo Slice AGES HI Mass Function to Date The slope is relatively flat for the first 142 galaxies detected. ...

... 1) A new bright galaxy of the Local Group VV124 (UGC4879) is found. ... Kopylov A.I., Tikhonov N.A., Fabrika S.N., Drozdovsky I.O., Valeev A.F., MNRAS Lett, V. 387, Issue 1, L45, 2008. ... For systems of galaxies in the regions of the Hercules and Leo superclusters the dwarf-to-giant ratio of galaxies in the r-band is evaluated, and it is found that this ratio increases with increasing X-ray luminosity at log L X > 43.5 erg/s. Kopylova F.G., Kopylov A.I., Ast. ... Kopylova F.G., Kopylov A.I., Ast. ...

... Over the first 4 years, its X-ray telescopes eROSITA and ART-XC will survey the whole sky with a record sensitivity in the 0.5-10 keV energy band. ... The goal of the second international Spectrum-RG conference is to discuss the different scientific topics addressed by the mission, synergies with surveys at other wavelengths, and requirements to follow-up observations.Contributed talks and poster presentations are invited on the topics related to the SRG science goals. ... Active galactic nuclei . ...

Feb 28 2016 Cepheus - The King IC 455 5mm TV VF,VS,OVAL, NND ,R=F Galaxy S0 Nov 16 2012 18 IC 469 5mm TV Galaxy SAB(rs)ab: VF,VS,OVAL,VEXT, NND ,AV2,R=F Nov 16 2012 18 IC 1396 19mmW 25mmPL Open Cluster II3mn **STARS,BRIGHT, NICE DUST LANES,R=G DECENT NIGHT - MEGASTAR CONTROL Sep 07 2005 8 May 22 2004 8 NGC 40 7.5mmW 7.5mmW H58-4 MB,R,R=G Planetary Neb 3b+3 F,VS,R,VSMBM,*12SP Nov 11 2009 12 Oct 06 ... 13 Jul 24 2006 8" Aug 21 2004 8" PB,CS,R=F CLEAR SKIES - H.H. LITE. ...