... Sun images . ... Sun flares . ... Active areas . October : 2015 . ... The following regions with sunspots can be now observed on the Sun's surface . Group number . Sunspots Location on the Sun . The number of spots in the group . ... Group length (in degrees) . ... Coordinates and other characteristics of active regions are issued for October 09, 2015 00:31 UT No H-alpha plages without spots can be currently observed on the Sun's surface . ... 7(499)132-65-96, Fax: +7(499)132-65-97 . ...

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• Sunspots and active regions October 01, 2014
• Sunspots and active regions October 01, 2013
• Sunspots and active regions October 01, 2007

... Credit: Juan Carlos Casado Explanation: Two unusually large sunspot groups are now crossing the face of the Sun . ... Sunspot group 10484 appears near the image center, while sunspot group 10486 is just coming over the left limb of the Sun. The active region associated with Sunspot 484 (the shorter nickname) has already jettisoned a large coronal mass ejection (CME) of particles out into the Solar System . ... NASA Official: Jay Norris. ... Publications with keywords: sunspot - active sun . ...

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• Sunspots and Solar Active Regions
• A Large Active Region Crosses the Sun
• Large Sunspot Group AR 9393

... We have measured radio flux densities of BL Lacertae ( B2200+420 ) with the RATAN-600 radio telescope at 4.8, 7.9, 11.2 and 21.7 GHz during 6 October - 20 November, 2012 to study the detected ( ATel #4557, #4565, and #4568 ) flare. ... On 12 November flux density had notably risen to 8.30 +/- 0.19 Jy at 7.7 GHz, to 9.86 +/- 0.09 Jy at 11.2 GHz and to 11.70 +/- 0.3 Jy at 21.7 GHz. ... The spectral index changed from -0.08 +/- 0.02 to +0.23 +/- 0.02 at 11.2-21.7 GHz for October to November flux points...

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... 2014 October 22 . Sunspot Group AR 2192 Crackles . Image Credit: Solar Dynamics Observatory , NASA . Explanation: One of the largest sunspot groups in recent years is now crossing the Sun. Labelled Active Region 2192 , it has already thrown a powerful solar flare and has the potential to produce more. ... AR 2192, rotating in from the left, rivals Jupiter in size and is literally crackling with magnetic energy. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...

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• SAI SN RESEARCH GROUP
• APOD: 2003 October 27 - Large Sunspot Groups 10484 and 10486
• APOD: 2002 August 1 - Sunspots and Solar Active Regions

Main Sections LabIR main page . Instrument page . Documentation . ... Special Sections Software Page . ... Tirgo Page . ... The activities of the group started at the end of 70's with the building of FIRT: the photometer of the National Infrared Telescope ( TIRGO ). ... FIRT: the photometer of the National Infrared Telescope ( TIRGO ). ... NICS , the NIR camera/spectrometer for the Telescopio Nazionale Galileo . ... Please select the LabIR Main Page or an item in the left menu. ...

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From: TerryMosel aol.com Date: Tue, 28 Oct 2003 15:45:44 EST Subject: 3rd largest Solar flare, aurora alert, JKB photos Hi all, The Sun continues to surprise amaze! ... IAA member Peter Paice from Belfast has taken another excellent photo of the spot groups, with a 'before and after' which I'm going to forward to you all separately, in case the size of the file slows this up too much. ... Thanks, Clear Skies, Terry Moseley Hi all, Hope you get these great photos by Peter Paice OK. ... Peter. ...

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... 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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• http://hea-www.harvard.edu/AstroStat/Stat310_1011/ds_20110329.pdf

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• Astrophysics Group THE@INT Science Discussion Meeting: 6th October 2014, RAS,

This home page belongs to small group of scientists working at . Sternberg Astronomical Institute which is a part of Moscow State University . ... Электронная библиотека научно-технической и художественной литературы (доступна только из ГАИШ) . ... Local staff . Dr. Edward Kononovich (konon -at- sai.msu.ru), Associate Professor . ... Dr. Sergey Ayukov (asv -at- sai.msu.ru), Research Fellow, Webmaster of the group . ... Joint seminar of Solar Studies Structure Group and Solar Photometry Group . ...

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... News Research . ... Expert in the characterisation of magnetic activity and the coronae of slowly rotating (solar-type) and planet-hosting stars. ... Characterising the spectra of M dwarfs in the optical and NIR and studying the effects of strong magnetic fields. ... Experienced in modelling the coronae of planet-hosting cool stars and currently mapping magnetic fields in young pre-main sequence stars using HARPS spectropolarimetric data. ... Space Girls Space Women - Gaitee . Science Fuse . ...

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Weekly Bulletin on Solar and Geomagnetic Activity Highlights on 02 - 08.07.2012, Forecast on 09 - 16.07.2012, Carrington Rotation 2125 (21,62.06.2012) SUNSPOT ACTIVITY WAS ON THE HIGH LEVEL AT 02 JULY AND AFTER - ON THE AVERAGE JEVEL. ... After 30.06 to 1.07 it area increased in 2.5 times (new magnetic flux emergence), and at time interval July 3 - 8 in it 5 large and 26 midle solar flare were occurrence. ... Fast development assumes high flare activity, since July 9-10. ... FLARES to tm te c/p local. ...

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... InformChaos Lab took part in CeBIT-2015 (Hannover, Germany) with "Active Ultra Wideband Wireless Networks". ... Lev Kuzmin received Dr.Sci. degree for his thesis "Wireless information transmission over UWB chaotic carrier" from IRE RAS. ... Artem Nikishov received Ph.D. degree from the Moscow Institute of Physics and Technology for the thesis "Generation of microwave chaotic oscillations in self-oscillating systems with several active elements". ... Our Products page is renewed. ... News | ...

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This intermediate course is designed as a comprehensive introduction to one of the most active and attractive fields of contemporary mathematics with a remarkable range of applications to Lie groups, geometry, physics and coding theory. ... Cocompact discrete groups. ... Discrete reflection groups in spherical,euclidean and hyperbolic geometries. ... Classification of the finite reflection groups. ... Finite Coxeter polytopes in hyperbolic space and associated cocompact discrete reflection groups. ...

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GCVS Research Group: . Recent publications . Kazarovets E.V., Samus N.N., Durlevich O.V., Kireeva N.N., Pastukhova E.N., The 81st Name-List of Variable Stars. ... Kazarovets E.V., Samus N.N., Durlevich O.V., Kireeva N.N., Pastukhova E.N., The 80th Name-List of Variable Stars. ... Samus N.N., Kazarovets E.V., Kireeva N.N., Pastukhova E.N., Durlevich O.V. General Catalogue of Variable Stars: Current status and new Name-lists Odessa Astronomical Publications, 2010, V. 23, p. 102-105. ...

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The nasa.gov site requires that JavaScripts be enabled in your browser. ... Contact NASA . ... The following are astronauts who are employed at NASA. Astronaut assignments and category definitions (e.g., "active" astronauts, "management" astronauts) are contained in a separate Flight Operations Directorate (FOD) policy letter. Astronaut . ... Acaba, Joseph M. 2004 . ... Aunon, Serena M. 2009 . ... Barratt, Michael R. 2000 . ... Burbank, Daniel C. 1996 . ... Cassada, Josh A. 2013 . ... 1998 . ...

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. Rus . Home . Staff of research group of galaxies and cosmplogy . Staff of research group of active galactic nuclea . Researches . Lists of publications . RATAN manuals . Annual reports . Conference contibutions . Useful links .

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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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... Tonight's Sky . ... 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 . ... Local Group . ... Why do sunspots appear in groups? ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine . ...

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