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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... Tonight's Sky . ... Observing . ... Web Extras . ... Observing springtime deep-sky objects with a large telescope . ... Web Extra: Find where to observe in your neighborhood . ... We only had room for a handful of the biggest U.S. cities in our article, but there are hundreds more options for observing under urban skies. ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

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• Find out more about up-and-coming astronomers | Astronomy.com
• What do the abbreviations R.A. and Dec. mean, and how do you use them to find
• Would it be possible to find a moon around an extrasolar planet? If so, how? |

... Galaxies rotate and move in clusters as if a tremendous amount of unseen matter is present. But does dark matter exist in the greater universe too -- and if so, where? ... In the above frame from a computer simulation of our universe , a 300 million light-year slice shows dark matter in gray and galaxies as colored circles. ... Publications with keywords: universe - dark matter - 2dF survey - simulation . Publications with words: universe - dark matter - 2dF survey - simulation . ...

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• Астронет > Finding Dark Matter
• XWare > APOD

Arecibo Galaxy Environment Survey (AGES) The precursor run is finally complete. Here are some initial results that illustrate the success of the observing technique and also areas where we had problems. ... The channel range selected was the inner 3696 channels, thus avoiding the increase in noise at the edge of the bandpass. ... Each frame of the movie is an image of the observing region from each individual velocity (or frequency) channel in the datacube. ...

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• Pulsar Highlights - A Dozen new MSPs in Globular Clusters
• The Arecibo Zone of Avoidance Survey (ALFAZOA)
• Pulsar Highlights - ALFA Finds Youngest Binary Pulsar Ever

HUBBLE SPACE TELESCOPE DAILY REPORT #1070 PERIOD COVERED: 0700 EST Daily Status Report as of 039/1200Z. 1.0 ACTIVITIES SCHEDULED AND ACCOMPLISHED: 1.1 Completed FGS 4893 (Orbital Motions of Close Binary Stars: Cycle 3 High) Fine Guidance Sensor #3 was used to make astrometric observations of the binary star system HD80671 and HD61994 to obtain their orbital elements. ... No anomalies were noted. ... No anomalies were noted with the science observations. ... Two FOC images were No anomalies were noted. ...

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• http://www.stsci.edu/ftp/observing/status_reports/old_reports_00/hst_status_09_14_00
• http://www.stsci.edu/ftp/observing/status_reports/old_reports_00/hst_status_10_18_00
• http://www.stsci.edu/ftp/observing/status_reports/old_reports_94/hst_status_09_29_94

... 2001 December 19 . Finding Dark Matter . ... Explanation: Where is dark matter ? Galaxies rotate and move in clusters as if a tremendous amount of unseen matter is present. ... In the above frame from a computer simulation of our universe , a 300 million light-year slice shows dark matter in gray and galaxies as colored circles. The red box indicates the location of a rich cluster of galaxies , while the green box shows a more typical cross-section of our universe . ... About APOD | ...

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• APOD: 2005 September 26 - Streams of Stars in the Virgo Cluster of Galaxies
• APOD: 2013 January 11 - The Fornax Cluster of Galaxies
• APOD: 2010 August 24 - Galaxy Cluster Abell 1689 Magnifies the Dark Universe

... About ATNF overview . ... Governance overview . Australia Telescope Steering Committee . ... Parkes radio telescope . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... Finding the Bivariate Brightness Distribution of galaxies from an H I selected sample . ... A method is presented that will enable the bivariate luminosity/surface brightness distribution of galaxies to be determined from a relatively small H I selected sample. ... PICASSO - an automated galaxy finder . ...

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• Duchamp Source Finder
• Research
• Where to find ``HI Clouds'' Now

Astronotes Armagh Planetarium's Stellar Blog! ... Planets . ... Our Galaxy . ... Weird and Fun . ... It came from another galaxy: This artistтАЩs impression shows HIP 13044 b, an exoplanet orbiting a star that entered our galaxy from beyond. ... HIP 13044 is one of tens of millions of stars in the тАЬHelmi streamтАЭ, stars that belonged to a dwarf galaxy consumed by our own Milky Way galaxy, some six to nine billion years ago. ... Tweets that mention ESO finds weird doomed planet from another galaxy | ...

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• Finding Your Way in the Milky Way | Astronotes
• A Spectacular View of the Lagoon Nebula | Astronotes
• Carnival of Space No 178: a galaxy of space blogs | Astronotes

... We publish 16 Doppler imaging temperature maps for the years 1994-2002 of the active RS CVn star II Peg. ... Through Doppler imaging we want to study the spot evolution of the star and in particular compare this with previous results showing a cyclic spot behaviour and persistent active longitudes. ... The derived temperature maps are quite similar to the ones obtained earlier with a different methods, the main differences occurring in the spot latitudes and relative strength of the spot structures....

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... Chandra Observation of LMXB in M84 . We present characteristics of the X-ray point source population in the M84 field as observed by Chandra ACIS-S. We find the galactic sources in M84 follow the stellar light profile, which imposes similar formation histories for stars in both single and binary systems. After correcting for incompleteness in the source detection, we find a log N-log S similar to that of the elliptical galaxy NGC4697. ...

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• ADS Abstract Service Results
• Introduction

.

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• Research Interests
• The SMS Survey
• Philip Lah's Research

... The ROSAT Bright Survey: II. Catalogue of all high-galactic latitude RASS sources with PSPC countrate CR > 0.2 s -1 . ... 1S We present a summary of an identification program of the more than 2000 X-ray sources detected during the ROSAT All-Sky Survey (Voges et al. 1999) at high galactic latitude, |b| > 30degr , with countrate above 0.2 s -1 . This program, termed the ROSAT Bright Survey RBS, is to more than 99.5% complete. ...

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• SCORPIO: IFP Gallery

... Galaxy Evolution home . ... Regulating the ISM and star formation . Cosmological evolution of star-forming galaxies . The origin and evolution of radio sources . Radio sources and their environments . ... Observations of the local Universe clearly demonstrate that very active star formation phases (starbursts) are often associated with interacting and merging galaxies and that in these systems much of the short wavelength emission is absorbed by dust and re-emitted in the IR. ...

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• Astrophysics Group AMI
• Galaxy Evolution: The origin and evoltuion of radio sources
• Analysis of (radio) spectra Bojan Nikolic web pages (r. 329)

... Science Users Information > Observing with ESO Telescopes > Phase 2 Preparation > Phase 2 Submission . ... Service Mode Philosophy . ... OB Execution Overheads . ... Readme File . ... Checking OBs and README files in the ESO Database . ... These checks will also be automatically performed at the time of checking the Phase 2 material into the ESO Database, and non-compliant OBs or README files will be rejected. ... All Service Mode OBs and README files must be submitted to the ESO Database from P2PP....

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• ESO - How do I find out the exposure time for a given observation?
• ESO - Swedish Heterodyne Facility Instrument Science Verification
• ESO - Galaxy Clusters in the Early Universe

... We present a photometric and spectroscopic study of the unique isolated nearby galaxy KKR25. The isolated dwarf spheroidal (dSph) galaxy KKR25 was discovered by Karachentseva, Karachentsev Richter (1999, A , 135, 221) during the search of dwarf galaxies in the direction of the Local Void. In spite of its isolation KKR 25 has no gas and looks like a normal dwarf spheroidal system. ... This is the first known planetary nebula in a dwarf spheroidal galaxy outside the Local Group. ...

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• Galaxy sector, archive 2012
• Metagalaxy sector, archive 2006
• Measurement of the dark halo shape in polar ring galaxies

... Space Research Institute . Main . ... Main results of the experimental and theoretical research completed in 2009 . ... Direct Measurement of the Contribution of Point Sources to the Galactic Ridge X-ray Emission in Record Deep Observations by the Chandra Observatory . ... These demonstrate that electrons generating hard X-ray intensity have been an initiator and main source of flare plasma heating, the particle acceleration and the plasma heating is a system with positive feed back. ...

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• Main results of the experimental and theoretical research completed in 2010
• Finding the Pole Star
• Spectrum-RG

... 105Lawrence+ Nearly 1000 sources from the 5 GHz MIT-Green Bank (MG) survey have been observed with the VLA. ... About 1000 sources, selected as described in IIa from a prelimenary version of the MIT-GB I catalog, have been observed with VLA. ... About 20 sources observed at the VLA are within the MG sky area and above the 106 mJy completeness limit, even allowing for the large flux-density errors in the preliminary list, but do not appear in the MG catalog. ... 1 Source name in IAU B1950.0 format. ...

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• A 1400-MHz Survey of 1478 Abell Clusters of Galaxies
• A VLA Survey of Rich Clusters of Galaxies III
• A 20 cm VLA survey of Abell clusters of galaxies

... Table of Contents - Index - PS reprint - PDF reprint . ... All RXTE telemetry will be archived in a hierarchical database consisting entirely of FITS Binary Tables. We describe an interactive tool, the XTE Data Finder (XDF). ... Our basic design contains a three level hierarchy: Master Index, Subsystem Index, and Data Table. ... The Master Index acts as an observation catalog with references to Subsystem Indices, while the latter contain configuration information and references to the Data Tables. ...

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• References for Galaxy Clusters Database
• Large Scale Clustering in the Universe - A Package of Codes
• Improvements in Filter Design for Removing Galactic ``Cirrus'' from IRAS Images

In autumn 1994, two groups of astronomers announced that they had discovered Cepheid variable stars in a distant cluster of galaxies. ... As the term suggests, variable stars change in brightness over time. ... Variable stars are an ideal way to get high-school students doing real science, with real data, from the real sky. ... a sky chart to find the stars . ... Students can use the nearby stars to estimate the magnitude of Delta. ... Locate the star Delta in Cepheus and estimate its brightness . ...

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• ASP: The Universe At Your Fingertips Activities TOC
• ASP: Taking a Grand Virtual Voyage in the Milky Way
• ASP: An Ancient Universe - Changes in Stars

ATMoB "Open Cluster Observing Award " Guidelines Purpose: To promote observing among the membership of the Amateur Telescope Makers of Boston through participation in the Open Clusters Observing Awards program. Introduction: This awards program is oriented towards visually observing open clusters above magnitude 9.9. ... It turns out that a very unprejudiced and convenient method to dermine the limiting magnitude is to count the number of visible stars in certain areas on the sky. ...

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• Amateur Telescope Makers of Boston ATMoB Observing Awards Program