Astronomy Picture of the Day . ... 23.09.1998 . ... September 1998 . ... 1997 1998 . ... NASA Web Site Statements, Warnings, and Disclaimers . NASA Official: Jay Norris. ... A service of: LHEA at NASA / GSFC . ... U. Based on Astronomy Picture Of the Day . Publications with keywords: Sun - equinox - solar cycle . Publications with words: Sun - equinox - solar cycle . ... A Jet from the Sun . ... A Complete Solar Cycle from SOHO . An X Class Flare Region on the Sun . ...

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• Total Eclipse of the Active Sun
• Sunspots and Solar Active Regions
• Movie: The Active Sun

... 2006 December 4 . Movie: The Active Sun . Credit: Solar Optical Telescope, Hinode Satellite , JAXA . ... Near the horizon, active regions around a sunspot eject hot plasma along the magnetic field lines that connect the sunspot to surrounding regions in the solar atmosphere . ... This frame from the movie is in representative color and covers a solar region of about 8,000 kilometers. ... About APOD | ... NASA Web Site Statements, Warnings, and Disclaimers . ...

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• APOD: 2001 August 16 - Centaurus A: X-Rays from an Active Galaxy
• APOD: 2002 August 1 - Sunspots and Solar Active Regions
• APOD: 2008 August 22 - Active Galaxy NGC 1275

... Sun images . ... Active areas . February : 2016 . ... The following regions with sunspots can be now observed on the Sun's surface . Group number . ... Group length (in degrees) . ... Beta . ... Coordinates and other characteristics of active regions are issued for February 09, 2016 00:31 UT The following H-alpha plages without spots can be currently observed on the Sun's surface . ... Coordinates and other characteristics of active regions are issued for February 09, 2016 00:31 UT . ...

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• Sunspots and active regions February 10, 2014
• Sunspots and active regions February 01, 2014
• Sunspots and active regions February 10, 2011

... About ATNF overview . ... Governance overview . Australia Telescope Steering Committee . ... Visitor list . ... Parkes radio telescope . ... Parkes | ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... What is a pulsar? ... Group . ... Parkes Pulsar Observing Wiki . ... Pulsar Groups . ... Main / . ... Nov 1, 2010 - Jan 31, 2011 . ... Dec 8 - 17, 2009 . ... Dec 13 - 23, 2006 . ... Dec 3, 2006 - Jan 5, 2007 . ... Aug 10 - Dec 7, 2006 . ... Dec 31, 2005 - Feb 1, 2006 . ...

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• VLBI Wiki | Main / Meetings2013
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... SAO RAN RATAN-600 EXCURSIONS 40 YEARS of R/T REFERENCES . ... GPS radio sources . ... Thursday, April 30, 10-00 . ... Friday, December 19, 10-30 . ... N. Bursov, V. Chaykin, A. Storozhenko "Preliminary results of RATAN-600 antenna measurements with the help of the geostationary Satellite Turksat 2A/3A". ... The basic results. ... Information-analytical system of estimating the parameters of radio sources in continuum with the RATAN-600 (the message for a conference, IPA St. Petersburg). ......

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... Main . ... April 2016 . ... December 2015 . November 2015 . October 2015 . September 2015 . August 2015 . July 2015 . June 2015 . May 2015 . April 2015 . March 2015 . February 2015 . January 2015 . December 2014 . November 2014 . October 2014 . September 2014 . August 2014 . July 2014 . June 2014 . May 2014 . April 2014 . March 2014 . ... December 2013 . ... April 2013 . ... December 2012 . ... April 2012 . ...

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... ESO Science Newsletter December 2015 . 17 Dec 2015 . ... This newsletter is a summary of recent ESO Science Announcement items. Follow the links or visit ESO Science Announcements to read more. ... Read more . ... The allocation of ESO telescope time for Period 97 (1 April Б€? 30 September 2016) is expected to be emailed in the week beginning 21 December 2015. ... ESO Workshop, ESO Headquarters, Garching, Germany, 27 June Б€? 1 July, 2016 . ... Joint ESO, ALMA, NAOJ, NRAO Workshop. ...

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... Observing . ... Solar Observing . ... April 3 (SUN) - Solar Observing, Central Park , Manhattan . ... APRIL'S SKY . ... Lecture Series at the American Museum of Natural History The Amateur Astronomers Association is proud to present an astronomy lecture series from October through May each year for our members and the .. ... The?аAmateur Astronomers Association of New York?аwas organized in 1927 to promote the study of Astronomy, emphasizing its cultural and inspirational value. ...

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• Lecture Series 2015-2016 ? Amateur Astronomers Association of New York

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... News Feed . Dull, Wet November, Much Warmer Than Average . 2015 December 7th . ... Cold, wet August, a little sunnier than average. coldest summer for 29 years . ... New space weather research grant awarded to Armagh Observatory . 2015 August 14th . ... Coldest July for 22 years, duller and wetter than average . ... Bright Fireball on 25th March 2015 . ... Sunny but Cool January, Wetter than Average . ...

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• Web Site Updates 2008
• Terry Mosely Astronomy Bulletins
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Table of Contents - Subject Index - Author Index - . Astronomical Data Analysis Software and Systems IX . ... Reduction of Adaptive Optics Images . ... GBT Active Optics Systems and Techniques . ... A User-Friendly Way to Optimize Adaptive Optics: NAOS Preparation Software . ... QuickLook Data Reduction Pipeline - Keck Adaptive Optics Real Time Data Reduction Software . ... NAOS Computer Aided Control: an Optimized and Astronomer-Oriented Way of Controlling Large Adaptive Optics Systems . ...

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• IDL-based Database of Solar Active Regions

... Experimental base . ... The experimental base of the investigations is the topside sounding data obtained on board of the Intercosmos-19 and Cosmos-1809 satellites. ... It carried on board the following scientific payload: satellite ionospheric station for radio sounding of ionosphere (IS-338) and apparatus for the measurements of low-frequency electromagnetic field (VLF-2ME), electric component of high-frequency field (AHF-2K), electron temperature (KM-3), and spectrometer of photoelectrons (SF3-M)...

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• Non-traditional methods of geophysical investigations and active plasma
• Heliophysical Laboratory of IZMIRAN (Solar-Terrestrial Physics Division)
• Information

... Telescopes . ... The International Conference "Dark Ages and White Nights (Spectroscopy of the CMB)" (June 20-24, 2016) . ... The International Conference "Stars: from collapse to collapse" (October 3-7, 2016) . The traditional annual competition conference of scientific and scientific-engineering papers of the Observatory staff members . ... A session of the Dissertation Council (October 16, 2015) . ... International scientific conference "Large Optical Telescopes" (October, 10-13, 2011) . ...

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• Solar system sector, archive 1993
• Bulletin. Vol.62
• Solar system sector, archive 2000

... Towards a Truly Unified Model of AGN . ... The Unified Model holds that the aspect-dependent effects primarily determine the nature of the active galactic nucleus that we observe. ... The full postscript file can be obtained here: . The PASA Latex file can be obtained here: . The postscript file of Fig 1 can be obtained here: . ...

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... 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 com?иte Chury toujours active . ... Cette photo prise le 1 er mars 2016, ?а seulement 26,7 km de distance, met en ?йvidence un beau jet de mati?иre qui s'?йchappe en bordure des r?йgions Imhotep et Bes, sur le lobe de l'h?йmisph?иre Sud de la com?иte. ... Etat du ciel ...

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• D?йcouverte: du volcanisme r?йcent sur Mercure | Ciel et Espace

... Pre-university education . ... Samara region . SSAU History . SSAU roadmap . ... Samara State Aerospace University (SSAU) will take an active part in the work of space activities of the United Nations organization (UNO). ... The road map shape on inclusion of Samara University into implementation of the UN Program on Space Applications was outlined at the roundtable discussion with the University teachers and specialists and at the meeting with SSAU Rector Yevgeniy Shakhmatov. ...

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. HOME . Editor : E. Howell . Back Issues . 2009 . May . December . 2008 . December . May . 2007 . December . June . 2006 . December . June . 2005 . December . 2004 . April . 2003 . June . 2002 . November . March . 2001 . October . March . 2000 . November . August . March . 1999 . October . March . 1998 . November . July . March . 1997 . November . July . March . 1996 . November . June . February . 1995 . October . June .

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• GALFA Consortium Guidelines
• Hien Vo Information
• Jasper Finn Nolan Howell December 2002 - February 2003

For prompt answers to any question, please contact the STScI Help Desk. E-mail: help@stsci.edu . Phone: (410) 338-1082 . ... Information and other resources are available on the WFPC2 . ... URL: http://www.stsci.edu . S. Baggett, M. McMaster, J. Biretta, C. Burrows, S. Casertano, A. Fruchter, H. Ferguson, R. Gilliland, S. Gonzaga, I. Heyer, J. Holtzman, . ... Baggett, S., et al. 2002, in HST WFPC2 Data Handbook, v. 4.0, ed. B. Mobasher, Baltimore, STScI . ... http://www.stsci.edu . ...

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• HST previous weeks
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• QSOs, Galaxies, and the Intergalactic Medium

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. June 16, 1998 . An Active Region of the Sun . Credit: A. Title ( Stanford Lockheed Institute ), TRACE , NASA . ... This false-color image depicts an active region near an edge of the Sun . Hot plasma is seen exploding off the Sun's photosphere and traveling along loops defined by the Sun's magnetic field . ... About APOD > . ...

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• APOD: May 15, 1998 - TRACE and the Active Sun
• Texas in Tuscany - Main Page
• APOD: October 18, 1999 - NGC 3603: An Active Star Cluster

... 9) Oknyanskij V.L. 1994, "Optical-radio time delays in Q0957+561", Odessa Astronomical Publ., ... 11) Oknyanskij V.L. 1994, "Connection between X-ray and optical variability in NGC4151", in Proceedings of Int. Conf. ... 1994. 12) Oknyanskij V.L. 1994, "Connection between X-ray and optical variability in NGC4151", Astrophys. and Space Science, 222, p.157. ... 14) Oknyanskij V.L., van Groningen E., 1997, "Optical spectral variability of NGC4151 in 1990", Astronomical and Astrophys. ...

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... Armagh Planetarium . ... Our Galaxy . ... Universe . ... For those of you that are still bearing the psychological scars from PlutoтАЩs demotion from planet to dwarf planet a decade ago, here is news that may add salt to [ ] . ... In 2015 Armagh PlanetariumтАЩs website (including Astronotes) received well over 2.6 million page views (and over 75 million web hits*) from all over the world. ... Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration....

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• stars | Astronotes - Part 2
• classical mythology | Astronotes
• Monthly Sky Notes | Astronotes