... 20.11.1998 . Goodness, Gracious, Green Balls Of Fire!", might have been an appropriate theme song title for the 1998 Leonid meteor shower. Many observers, like astrophotographer Steve Dunn watching from Cape Canaveral, Florida, USA, reported that a lot of the characteristically bright Leonid meteors had a greenish tint. ... Close Up of the Bubble Nebula . ... Touted as potentially the most active meteor shower since 1966, the Leonids of 1998 will be tracked by observers the world over. ...

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... 2006 November 21 . A Leonid Meteor Over Sweden . ... Incoming reports , however, have this year's Leonid meteor shower as less active than Leonid meteor showers a few years ago . ... The parent body of the Leonids meteor shower, Comet Tempel-Tuttle , leaves a trail of expelled sand-size particles every 33 years when it returns to the inner Solar System. ... Pictured above , a Leonid meteor was captured two days ago during the early morning hours of November 19 over Vallentuna , Sweden . ...

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• APOD: November 17, 1998 - NGC 7635: The Bubble Nebula
• APOD: 2004 September 8 - Molecular Torus Surrounds Black Hole
• APOD: September 19, 1995 - The Small Cloud of Magellan

... Sun images . ... Sun flares . ... Active areas . November : 2008 . ... No sunspots and sunspot groups can be currently observed on the Sun's surface . No H-alpha plages without spots can be currently observed on the Sun's surface . Last updated: November 10, 2008 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 . ...

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• Sunspots and active regions November 14, 2009
• Sunspots and active regions November 15, 2007
• Sunspots and active regions November 14, 2007

... Articles | ... Forums . ... 230 deg . 49 deg . ... 130 deg . ... More Info . ... 210 deg . ... 168 deg . ... 249 deg . ... 195 deg . ... 271 deg . ... 110 deg . ... 338 deg . ... July 15 . 247 deg . ... 224 deg . ... 340 deg . ... July Phoenicids (PHE) . ... August 10 . 341 deg . ... 339 deg . ... 307 deg . ... 334 deg . ... 335 deg . ... 286 deg . ... 327 deg . ... 262 deg . ... 102 deg . ... 153 deg . ... 117 deg . ... December 2 . ... 123 deg . ... 100 deg . ... www.astronomy.net . ...

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• You Can Make Stellar Images Brighter - an Astronomy Net Article

... The TRACE images may be used without restrictions in publications of any kind. ... These two images, taken on 18 November 2000 at 15:54UT and 16:11UT, respectively, show such an event: the red circle in the image to the left shows a region where many loops are cooling, with bright loop tops (the intensity scales with the square root of the image to reduce the dynamic range). ... See also a collection of images related to the Sun, other cool stars, and solar-terrestrial effects . ... Images | ...

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• APOD: October 18, 1999 - NGC 3603: An Active Star Cluster
• TRACE_IMAGES
• APOD: 2000 November 8 - October Skylights

Armagh Observatory press release, 1999 April 21st. Research by David Asher and Mark Bailey , of Armagh Observatory, and Vacheslav Emel'yanenko , of South Ural University, Chelyabinsk, Russia, has explained the unexpected, spectacular shower of bright meteors seen in the small hours of 17 November last year. ... The observed meteors are produced by the collision with the Earth's atmosphere of small dust particles ejected from the parent comet, Tempel-Tuttle . ...

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• Armagh Observatory
• The 2001 Leonid Meteor Shower
• Latest News

... VLBI Schedule . ... Observers Wiki . ... Other VLBI . ... Main / . ... November 2015 . ... July 2015 . ... PI Notes . ... Correlator Notes . ... Attach:VLBI Checklist.pdf Checklist to do while observing (print one off for each telescope you're monitoring). cDisko User manual for the new cDisko 4.0c. 5 November 2015 telecon . 18 September 2015 telecon . 28 July 2015 telecon . ... 13 March 2015 telecon . ... 18 November 2014 telecon . 15 October 2014 telecon . 10 September 2014 telecon . ...

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• VLBI Wiki | Main / Meetings2012
• VLBI Wiki | Main / Telecon2012Nov02
• lbaops:lbanov2007:recentchanges [ATNF VLBI Wiki]

... Tonight's Sky . ... The Magazine . ... Star Atlas . ... An artificial comet holds secrets to Earths life . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... The planet has extreme temperature swings and perhaps active lava flows. ... A digital supplement to Astronomy magazine. ... Join TravelQuest International with Astronomy and Discover magazines on one of three great tour options surrounding this celestial spectacle . ... Astronomy Magazine . ...

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• active galactic nuclei | Astronomy.com
• Saturn's small but active moon | Astronomy.com
• View more active galactic nuclei | Astronomy.com

... For us to see them from such great distances, quasars must be producing enormous energy -- they are about 1000 times brighter than an average galaxy! ... One of their choices for the energy source of quasars was a black hole. ... On the one hand, it may seem difficult to think that mere friction between bits of matter could account for the energy of a quasar, but, on the other hand, gravity is unimaginably strong near a black hole. ... How does matter actually rush towards the black hole? ...

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• ASP: A Good Definition of the Word "Planet": Mission Impossible?
• ASP: Star Science in the Autumn Sky
• ASP: Mercury Magazine

HUBBLE SPACE TELESCOPE DAILY REPORT #2882 PERIOD COVERED: 0000Z (UTC) 05/29/01 - 0000Z (UTC) 05/30/01 Daily Status Report as of 150/0000Z 1.0 OBSERVATIONS SCHEDULED AND ACCOMPLISHED: 1.1 Completed WF/PC-2 8702 (The Most Elusive Nuclei of LMC Planetary Nebulae) The WF/PC-2 was used to carry out a SNAPSHOT survey of the faintest nuclei of planetary nebulae {PNe} in the LMC. ... There were no reported problems. 1.6 Completed WF/PC-2 8597 (The Fueling of Active Nuclei: Why are Active Galaxies Active?) ...

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• Spitzer SAGE-SMC Infrared Photometry of Massive Stars in the Small Magellanic
• HST this week: 245
• Active galaxies and black holes

... Science . ... Science Users Information > Science Publications > Archive of the ESO Enews > ESO-Enews #14: September 2009 . ... Observing Facilities . ... Science Archive Facility . ... To obtain earlier raw data that is still covered by the proprietary period PIs may use the normal ESO Archive interface .. ... For more information about the above item, or to subscribe to the archive RSS feed to stay informed on the latest archive developments, please visit the Science Archive Facility . ...

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• Visiting with an Old and Active Friend (ESO PR Photos 07a-b/01)
• ESO - Science Announcements
• ESO - Clustering Measurements of Active Galactic Nuclei

... Euro/team . ... Euro/person . ... Euro . Observers: 800.– ... Small delays in reports or applications: the correspondent fees are 365 euro (830 euro for observers). ... The fee covers the board, lodging, transportation, excursions, sport, ceremonial, and general organization expenses since 12:00 September 22 th till 12:00 September 30 th . ... The fees are to be paid cash the first day of accommodation. Dr. Michael G. Gavrilov, Founding Chairman of the International Astronomy Olympiad, . ...

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• Laboratory of spectroscopy of defect structures ISSP RAS
• XIV International Astronomy Olympiad: Information before the Olympiad
• XIV International Astronomy Olympiad, fees

Nowadays at the Department the experimental and theoretical investigations, including astronomical and ionospheric observations, active experiments with space vehicles are taking place. ... Solar Corona physics and erruptive phenomenae. ... Stellar astronomy. ... The Department has organized and put into practice more then 50 expeditions for observation of Solar ecllipces, aurorae polaris, comets, meteor streams, controlled space experiments, and also for investigations of geophysical characteristics. ...

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• Solar Physics

... Home aaa-logo-by-marcelo-cabrera-(fonts-traced)-updated-smaller . ... Lecture Series 2014-2015 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Published February 15, 2015 at dimensions 250 250 in aaa-logo-by-marcelo-cabrera-(fonts-traced)-updated-smaller . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

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• aaa-logo-by-marcelo-cabrera-(fonts-traced)-updated-small ? Amateur Astronomers
• Brooklyn Museum Plaza ? Amateur Astronomers Association of New York
• Lecture Series 2015-2016 ? Amateur Astronomers Association of New York

... Using this model, I will show how AGN feedback affects the evolution of massive galaxies, causing them to become less massive, smaller, and redder. In addition, several observed relationships, including cosmic star formation rate density, galaxy luminosity function, and [alpha/Fe]-mass, can only begin to be reproduced when it is included. Finally, I will show how the enrichment history of massive galaxies and the IGM may be influenced by AGN feedback. ...

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• Towards a Truly Unified Model of AGN
• VV29 = Arp 188 = The Chainsaw Galaxy

Proposal Identi cation No.: A1167 Date Received: 1998-Jun- 1 19:31:20 Technical Page Proposal Type: Regular General Category: Astronomy Sub-Category: Spectroscopy Observation Category: Extragalactic Total Time Requested: 39 Hours Proposal Title: EVOLUTIONARY TRACKS OF ACTIVE SPIRAL GALAXIES ABSTRACT: Recent work has shown that the disks of Seyfert host galaxies follow trends of HI mass fraction, surface brightness, and M/L ratio similar to, but o set from, those in normal spirals. ...

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• http://www.naic.edu/~astro/hiconference/hiconf_pdfs/baker_0802naic.pdf
• http://www.naic.edu/~gibson/m42/m42_HST.txt
• http://www.naic.edu/vscience/schedule/2014Spring/BradfordtagA2850.pdf

... The hot component shows very spectacular activity: irregular outbursts accompanied by fast, massive outflows and jets. ... Diffraction-limited images for both components of CH Cyg binary system were reconstructed using visible speckle interferometry at BTA 6-m telescope (Fig.1). The orbital period 15.6 years and masses: 2.0 Msun and 0.7 Msun for red giant and white dwarf, respectively were derived from angular distance (0.042") and magnitude difference (2 m ) of the components. ... Fig.1. ...

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• Lack of Dwarf Galaxies in the Local Volume Compared to Conventional Cosmology
• Metagalaxy sector, archive 1995
• Detection of unique bright radio flare of X-ray binary

Astronotes Armagh Planetarium's Stellar Blog! ... January . ... Posted on January 29, 2013 | 1 Comment On the weekend of the 14and 15 of July 2012 we held a pinhole photography event.€а This was led by the world renowned pinhole photographer Justin Quinnell.€а Justin has been [ ] . Continue Reading.. ... This new comet was in January 2013 just a dim speck in the constellation Gemini, between the stars Castor and Pollux. ... Posted on November 15, 2012 | ... Posted on October 3, 2012 | ...

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• Leonid meteors 2011 | Astronotes
• observing | Astronotes - Part 4
• observing | Astronotes - Part 8

... The relationship of the mass and the observed galactocentric distance R -- (a), and that of the mass and the total dissipation velocity n taken from Gnedin, Ostriker (1997) -- (b). The dotted line in diagram (a) shows the "cone of survival" according to the paper by Surdin and Arkhipova (1998) . ... The solid line is a regression stright line for the main sequence of clusters, and the dotted line parallel to it separates the sequence of clusters of anomalously small mass shown by open triangles. ...

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• Vladimir Marsakov Abstracts

... 2 April 1999 . The Nobeyama Radioheliograph data show that in the microwave range, besides large-scale trans-equatorial chains (see, e.g., the May 11-15, 1993 and November 1-4, 1993 events), there are also many examples displaying large and strongly evolving "longitudinal" or "internal" chains connecting remote active regions inside an active zone in one (northern or southern) hemisphere (the August 20-September 3, 1998 event). ... Last update: 2 April 1999 . ...

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• Oct-Nov 2003
• November 2004
• November 4, 2001