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1. Active Regions, CMEs, and X Class Flares
... Active Regions, CMEs, and X Class Flares . ... AR9026 appears as a large group of sunspots in visible light images. The three intense flares were all X-class events, the most severe class of solar flares based on X-ray flux measurements by the earth-orbiting GOES satellites. ... Publications with keywords: Sun - flare - active region - solar flare - space weather . Publications with words: Sun - flare - active region - solar flare - space weather . ... An X Class Flare Region on the Sun . ...
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Ссылки http://www.astronet.ru/db/xware/msg/1166629 -- 15.3 Кб -- 15.03.2001
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2. APOD: June 16, 1998 - An Active Region of the Sun
... 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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Ссылки http://www.sai.msu.su/apod/ap980616.html -- 4.4 Кб -- 02.10.2012
[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/sun/activesun_trace_big.html -- 4.3 Кб -- 06.12.2000
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[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/sun/activesun_trace_big.html -- 4.3 Кб -- 06.12.2000
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3. http://hea-www.harvard.edu/AstroStat/SolStat2012/ePoster_dstenning.pdf
... X CB (X) Opening of a set X by a disk B. Closing of a set X by a disk B. Science-Driven Feature Selection (a) (b) Mount Wilson Classification The Mount Wilson classification scheme groups sunspots into four classes based on the complexity of magnetic flux distribution in associated active regions [1]: class : groups dominated by a single unipolar sunspot class : a pair of sunspots of opposite magnetic ... Convex hulls are utilized to measure polarity mixture in (j). ...
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Ссылки http://hea-www.harvard.edu/AstroStat/SolStat2012/ePoster_dstenning.pdf -- 406.1 Кб -- 01.03.2012
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4. Solar Active Region 10999 by Deirdre Kelleghan | International Year of
. Home . News . Gallery . Events . Twitter . Press Releases . Links . Contact Us . Calendar . Press & Web Coverage . Previous . Next . List . Deirdre Kelleghan kept observing the Sun and she sent us a new wonderful drawing: "Active Region 10999, June 20th 2008 13:45 UT; PST 40/8mmTVP eyepiece/50X upscaled by eye; soft pastels and graphite on black paper". Thank you, Deirdre! . Tuesday, 24 June 2008 01:52 . International Year of Astronomy, Ireland National Node . [Back To Top] .
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Ссылки http://star.arm.ac.uk/scholars/iya/gallery/astro-art/solar_active_region_10999_b.html -- 7.1 Кб -- 31.12.2009
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5. LARGE-SCALE PHENOMENA AT THE SUN ASSOCIATED
LARGE-SCALE PHENOMENA AT THE SUN ASSOCIATED . WITH FILAMENT ERUPTIONS OUTSIDE ACTIVE . ... Considering the 12.09.1999 event as an example, we analyze manifestations of large-scale disturbances associated with coronal mass ejections (CMEs) caused by filament eruptions outside of active regions. ... The filament eruption occurred in relatively weak magnetic fields, but it was accompanied by larger-scale phenomena than flare events do. ...
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Ссылки http://www.izmiran.rssi.ru/~ichertok/990912/abstract.html -- 7.0 Кб -- 16.09.2008
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6. Solar Flares Reach Earth National Astronomy and Ionosphere Center (Arecibo
NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Astronomy . ... During the last 48 hours, solar activity of moderate-to-large intensity was registered with two class X events (one was a maximum X5), and also events of class M and C. Two Coronal Mass Ejections (CME) occurred in March 4 and 5 reached the Earth this (Thursday) morning, March 8 at 11 UT (7 AST), and large variations in the Earth's magnetic field and energetic particle precipitation into the poles are expected. ... Arecibo Observatory €а . ...
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Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=190:news&catid=105&Itemid=632 -- 14.2 Кб -- 13.04.2016
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7. Multichannel Flare Spectrograph Archive 1997
Data Archive . Video-records archive . ... 1997 | ... Time (UT) Counter Remarks _______________________________________________________________________________ 05.01. 10:29:17 2:06:42 scan disk 11:58:23 2:11:19 active regions 06.01. 09:49:51 2:12:17 scan disk 10:56:24 2:19:10 active regions 12.01. 09:39:12 2:19:59 scan disk 10:03:41 2:27:51 active region 10:05:09 2:28:34 filament 10:07:17 2:29:10 ...
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Ссылки http://lnfm1.sai.msu.ru/~kupry/videos2000.html -- 9.3 Кб -- 09.05.2010
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8. Phil Plait's Bad Astronomy: Bitesize Astronomy
... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/bitesize/jetplane.html -- 21.9 Кб -- 09.04.2016
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9. Detection of polarized radiation sources with unusual spectral characteristics
... Solar flare activity is produced by the processes of accumulation and release of energy in an active region. ... In the framework of study of solar active regions, producing powerful flares the researchers from the RATAN-600 radio telescope have detected sources with features in the form of a sharp drop in the intensity of polarized radiation in various parts of the recorded frequency range (2-16GHz), sometimes changing the sign of polarization. ...
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Ссылки http://www.sao.ru/Doc-en/SciNews/2011/Bogod/ -- 4.0 Кб -- 02.10.2012
[ Сохраненная копия ] Ссылки http://mavr.sao.ru/Doc-en/SciNews/2011/Bogod/ -- 4.0 Кб -- 02.10.2012
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[ Сохраненная копия ] Ссылки http://mavr.sao.ru/Doc-en/SciNews/2011/Bogod/ -- 4.0 Кб -- 02.10.2012
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10. ASP: Beacons in the Gloom
... 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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Ссылки http://www.astrosociety.org/edu/publications/tnl/46/quasars2.html -- 12.1 Кб -- 02.10.2012
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11. IDL-based Database of Solar Active Regions
... A database on solar active regions has been implemented in IDL (Interactive Data Language). ... Full-disk 17 GHz radio maps produced by the Nobeyama Radioheliograph provide the basis for the database. Researchers of solar activity often need to access solar active region data. ... So far, we have created an IDL-based database on daily active region data from 1992 July 1 to 1994 December 31 (NOAA 7213 thru NOAA 7821) 2 . ... number of active regions visible on the disk; . ... IDL 1 . ...
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Ссылки http://www.adass.org/adass/proceedings/adass98/grechnevvv1/ -- 14.7 Кб -- 16.07.1999
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12. Amateur Telescope Makers of Boston
... Aurora - June 23, 2015 . Sunspot, Active Region AR2371, produced an M2 class flare and sent a coronal mass ejection toward the Earth on June 21st. ... A meteor trail, airplane and clouds are also in the image. 30-second image with dark slide, Samyang 14mm, f/2.8 lens imaged at f/5.6, Unmodified Canon T1i on a Tripod, No filter, ISO 800, processed with Adobe Photoshop. 00: 17 hrs EDT, 23 June 2015, Harvard, MA. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...
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Ссылки http://www.atmob.org/gallery/showimage.php?id=3002 -- 3.6 Кб -- 10.04.2016
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13. http://www.atnf.csiro.au/research/masermeeting/web_papers/333_Voronkov.pdf
T H E AU S T R A L I A T E L E S C O P E C A M PA I G N T O S T U DY SOUTHERN CLASS I METHANOL MASERS M.A.Voronkov (ATNF), K.J.Brooks, A.M.Sobolev, S.P.Ellingsen, A.B.Ostrovskii, J.L.Caswell contact: Maxim.Voronkov@csiro.au Introduction Class I methanol masers (e.g. 9.9 , 25, 104 GHz ) Maser spots are spread around the protostar location Avoid strong infrared ... This fact supports the idea that some class I masers reside in the interface regions of outflows. ...
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Ссылки http://www.atnf.csiro.au/research/masermeeting/web_papers/333_Voronkov.pdf -- 313.1 Кб -- 22.03.2007
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14. Amateur Astronomers Association of New York ? Amateur Astronomers Association
... 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. ...
15. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BFCF960CE-2056-42F4-999D-027F3C7AEC15%7D
Active region 1158 let loose with an X2.2 flare late on February 15, the largest flare since Dec. 2006 and the biggest flare so far in Solar Cycle 24. Active Region 1158 is in the southern hemisphere, which has been lagging the north in activity but now leads in big flares. Here is a blowup of the flaring region taken by NASA's Solar Dynamics Observatory in the extreme ultraviolet wavelength of 193 Angstroms. ... NASA/SDO ...
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BFCF960CE-2056-42F4-999D-027F3C7AEC15%7D -- 3.9 Кб -- 10.04.2016
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16. Visiting with an Old and Active Friend (ESO PR Photos 07a-b/01)
... ESO PR Photo 07a/01 . ... ESO PR Photo 07b/01 . ... Caption : PR Photo 07a/01 shows Comet Hale-Bopp , still active at a distance of nearly 2,000 million kilometres from the Sun. ... This is quite unusual for a comet and is clearly confirmed on the present photo ( PR Photo 07a/01 ) from the WFI camera on the MPG/ESO 2.2-m telescope at La Silla, obtained a few days ago. ... ESO-Chile . ... ESO PR Photos 07a-b/01 may be reproduced, if credit is given to the European Southern Observatory (ESO). ...
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Ссылки http://www.eso.org/~ohainaut/nice/hb_2001mar.html -- 13.0 Кб -- 07.03.2001
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17. APOD: 2000 June 7 - Up Close to Jupiter's Moon Io
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2000 June 7 . Up Close to Jupiter's Moon Io . ... The surface of Jupiter 's moon Io is home to violent volcanoes that are so active they turn the entire moon inside out. ... In general, the bright areas are higher terrain than the darker areas, but some areas of the surface appear eroded by an unknown process. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap000607.html -- 4.7 Кб -- 01.10.2012
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18. azim_flares
... Region 9373 (S07W43) produced several small C-class flares. ... 1610 0824 //// 0824 SVI U RSP 025-042 III/1 . 1620 + 0844 //// 0851 SVI C RSP 025-170 III/2 . 1630 + 0901 //// 0902 LEA C RSP 025-150 III/1 . 1640 + 0953 //// 0956 LEA C RSP 025-080 III/1 . ... 1910 + 1036 1042 1059 SVI 3 FLA S06W15 SN ERU 9373 . 1910 1036 1041 1055 F RBR 3000 20 9373 . ... 2210 + 0846 0847 0847 SVI G RBR 410 64 9373 . 2210 + 0846 //// 0847 SVI C RSP 025-180 III/2 9373 . ...
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Ссылки http://mavr.sao.ru/hq/sun/program/mart2001/azim_flar.html -- 18.4 Кб -- 28.12.2007
[ Сохраненная копия ] Ссылки http://www.sao.ru/hq/sun/program/mart2001/azim_flar.html -- 18.4 Кб -- 02.10.2012
[ Сохраненная копия ] Ссылки http://jet.sao.ru/hq/sun/program/mart2001/azim_flar.html -- 18.4 Кб -- 02.10.2012
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[ Сохраненная копия ] Ссылки http://jet.sao.ru/hq/sun/program/mart2001/azim_flar.html -- 18.4 Кб -- 02.10.2012
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19. A Spectacular View of the Lagoon Nebula | Astronotes
Astronotes Armagh Planetarium's Stellar Blog! ... Stars . ... Telescopes and Observatories . ... The majestic star-forming region in the Lagoon Nebula. The pale ring to the right is an internal reflection in the telescope.€а (Image credit: ESO/ VPHAS+/ V. Kalari and J. Vink (Armagh Observatory) . ... The 18 component images were further processed twice. ... Venu and his colleagues use images like this to identify individual young forming stars in the Lagoon Nebula and determine their ages. ...
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Ссылки http://www.armaghplanet.com/blog/a-spectacular-view-of-the-lagoon-nebula.html -- 45.4 Кб -- 09.04.2016
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20. The Sun
The Sun is our nearest star and the source of energy for life on Earth. ... For centuries astronomers wondered whether they were clouds floating in the Sun's atmosphere, but we now know that they really are huge regions of magnetic field, about as intense as the field at the poles of an iron magnet. ... Such abrupt events were named solar flares , and what made them especially interesting was that occasionally, after a prominent flare, a magnetic storm would erupt on Earth. ...
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Ссылки http://www.iki.rssi.ru/magbase/REFMAN/EAMAGSPH/wsun.html -- 8.2 Кб -- 15.03.1999
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