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... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Moon . ... The Magazine . ... Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Hayabusa update . ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

. E-mail: help@stsci.edu . Phone: (410) 338-1082 . (800) 544-8125 (U.S., toll free) . Information and other resources are available at the STScI World Wide Web site: . URL: http://www.stsci.edu/hst . and at the WFPC2 web site: URL: http://www.stsci.edu/instruments/wfpc2/wfpc2_top.html . Space Telescope Science Institute . http://www.stsci.edu . Voice: (410) 338-1082 . help@stsci.edu .

... TNG . ... FIRST LIGHT OF ARNICA . ... The ARcetri INfrared CAmera ( ARNICA ) has been installed in the week 6-13 December 1998 at the TNG Nasmyth A focus (see Figure 1.) The interface is meant to support the optical imager ( OIG ), the infrared camera (ARNICA will be later substituted by NICS ), and the adaptive optics module ( ADOPT@TNG ). ... Arnica is a DRO camera for infrared imaging operating in wavelength range between 0.9 and 2.6 microns and is equipped with a Nicmos3 256x256 detector. ...

ccf-admin@xmm.vilspa.esa.es ccf-admin@xmm.vilspa.esa.es . ... Previous message: [Ccf] CCF update . Next message: [ccf] Re: subscribe . Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] . Updated reponses for EPIC MOS and PN are now available. A technical note explaining how these matrices can be used with the SAS is also available. Please refer to http://xmm.vilspa.esa.es/ccf/ for the details. The XMM-Newton CCF librarian xmmhelp@xmm.vilspa.esa.es . ...

Japanese Discover Large Earth-Crosser - Updated: 31st October 2000 . Leonids 2000 - Updated: 11th October 2000 . Research Astronomer Position Available - Updated: 10th October 2000 . Robinson Lecture 2000 - Updated: 9th October 2000 . Armagh joins Southern African Large Telescope project - Updated: 28th September 2000 . Perseid Stream in 2000 - Updated: 8th August 2000 . Sky Chart for Comet Linear in July 2000 - Updated: 9th August 2000 . ... August 1999 Solar Eclipse . ...

... Next: FITS Checksum Verification Up: Data Models and Previous: A Proposed Convention . ... The FITSIO Subroutine Library has been available for 3 years, and has matured into a stable, full-featured interface for reading and writing FITS format files. ... The FITSIO subroutine library for reading and writing FITS files is now three years old and is used by many projects as the standard programming interface for accessing FITS format data files. ...

... LWN.net FAQ . ... Read-copy-update (RCU) is a mutual exclusion technique which can operate without locking most of the time. It can yield significant performance benefits when the data to be protected is accessed via a pointer, is read frequently, changed rarely, and references to the structure are not held while a kernel thread sleeps. The core idea behind RCU is that, when the data requires updating, a pointer to a new structure containing the new data can be stored immediately. ...

... News | ... Australia Telescope Steering Committee . ... Fantastic results continue to stream out from the six-antenna ASKAP engineering test array at the Murchison Radio-astronomy Observatory, with latest data featured in the new edition of the ASKAP Commissioning Update . The Commissioning Update is a regular newsletter reporting on ASKAP activities and aimed at the astronomical community, highlighting challenges and bugs as well as new results and software. ... Back to Latest ASKAP News page. ...

... Archives . ... ArXiv] 2nd week, Sept. ... Keeping the track of them and writing summaries based on daily arXiv updates for the slog over the past few months has become a quite overwhelming task for a single person. ... How to subscribe and how to cancel subscription is given at the following website: . ... Simply on your email tool, if you want to subscribe astro-ph (preprints in astronomy, astrophysics, and related fields), . ... Available arXiv is listed in http://arxiv.org/help/archive_list . ...

... Science . ... Science Users Information > Science Publications > Science Announcements . 10 Apr 2016 jump to navigation jump to content . ... ALMA . ... Observing with ESO Telescopes . ... Public Surveys . ... ESO-MIDAS . ... Data Handling and Products . ... Science Data Products Forum . ... ESO Data . ... ESO Data Access Policy . ... Science Announcements . ... Published: 26 May 2014 . ... A brief description of the ALMA calibrator survey was recently published . ... Published: 23 Apr 2014 . ...

Photon Scattering: Basic Principle of Photon Scattering . Audio Narration is available . No Scattering: Photon Source and Detector . ... For optical photons, scattering goes as wavelength to the -4 power. In the case of blue photons compared to red photons, this means that blue photons are about 10 times more likely to get scattered than red photons. ... Watch the blue photons scatter away from the detector . ... Interstellar dust make stars appear redder than they really are . ...

Here is a description of the Filter/Driver Pack Plus release from Aldus. ... The Macintosh Filter/Driver Pack Plus includes several new and updated filters, including import filters for Microsoft Works 3.0 and MacWrite Pro files, as well as the most recent LaserWriter driver, version 8.1.1. ... The Filter/Driver Pack Plus also includes a patcher utility which will update PageMaker 5.0 to version 5.0a. This patcher corrects a handful of reported customer problems. ...

... Home About Meade Product Information Dealer Locator Customer Support Investor Relations Dealer Support Employment Opportunities Site Map . Meade Instruments Corp. ... Meade Autostar Supplementary Software Downloads . ... To upgrade your Autostar first click on the link below to download the Autostar Update (ASU) Client Application for Windows. ... The most recent versions of AutoStar Update automatically check for the newest versions of the AutoStar Updater and download it if necessary. ...

The AstroGuide . ... AstroGuide | ... Other Sites . ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . Cosmic Images is a web site devoted to recent lunar, planetary and deep space images from Kohl Observatory, Lakewood, New York, U.S.A. Last Update August 22, 2005 . ... Web Site . ... Web . ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... CIMAFITS is the name for the Arecibo FITS-file format. ... This is a list of (fairly) up-to-date documents describing CIMA and CIMAFITS: . The CIMA version history log which is the most up-to-date page listing all changes made to the different versions of CIMA . ... The CIMA user's log which chronologically lists changes made to CIMA that may be relevant to an observer. The CIMA engineering log which lists engineering changes made to CIMA that probably are of less interest to an observer. ...

... The high energy particles (mainly protons and alpha particles) found in the interplanetary space constitute what is called cosmic rays. ... galactic cosmic rays (GCR) originating far outside our solar system . ... anomalous cosmic rays" (ACR) originating from the interstellar space beyond the heliopause . ... The anomalous cosmic rays are most likely produced by neutral atoms in the interstellar space, which . ... The anomalous cosmic rays differ from others by their composition. ...

... Primordial theory review : Dick Bond . Defects and the CMB review : Andy Albrecht . ... Gravitational wave contribution to CMB anisotropies : V.B. Lukash and E.V. Mikheeva . C_l from cosmic strings : Lloyd Knox . Some aspects of CMB anisotropies induced from topological defects : Mairi Sakellariadou . ... CMB anisotropies from scaling sources : Ruth Durrer . ... SZ observations I : Sarah Church . ... Holes in the microwave sky? ... Detecting cosmic strings in the CMB : James Robinson . ...

... Apache HTTP Server Version 2.2 . ... htpasswd is used to create and update the flat-files used to store usernames and password for basic authentication of HTTP users. ... Resources available from the Apache HTTP server can be restricted to just the users listed in the files created by htpasswd . ... Files managed by htpasswd may contain both types of passwords; some user records may have MD5-encrypted passwords while others in the same file may have passwords encrypted with crypt() . ... Delete user...

... Credit Copyright: Hubble Heritage Team , ESA , NASA Explanation: Expanding light echoes continue to illuminate the dusty environs of V838 Monocerotis , mysterious variable star near the edge of our Galaxy. ... While the expanding light echoes are dramatic , astronomers have struggled to understand where V838 Mon itself fits into the stellar life cycle. ... Publications with keywords: v838 mon - variable star - light echo . Publications with words: v838 mon - variable star - light echo . ...