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1. Islands in the Photosphere
... Islands in the Photosphere . ... Credit Copyright: Gunther Groenez Explanation: Awash in a sea of plasma and anchored in magnetic fields , sunspots are planet-sized, dark islands in the solar photosphere , the bright surface of the Sun. Before the enlightened(!) age of cameras, solar observers created detailed drawings of sunspots as they changed and progressed across the visible solar disk. ... Publications with keywords: sunspot - Sun . Publications with words: sunspot - Sun . ...
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Ссылки http://www.astronet.ru/db/xware/msg/1194356 -- 15.4 Кб -- 25.10.2003
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2. 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. ...
3. ESO - La Silla Science Operations
... Science Users Information > Observing Facilities > La Silla Facilities > La Silla Science Operations . ... La Silla News . ... Internal Pages . La Silla Science Operations Department (LSO) is part of the La Silla Paranal Observatory and is in charge of the operations of the telescopes on La Silla. ... In the La Silla Science Operation pages, you should find all the information you need for your observations from the time you have an idea of observations until when you finish processing your data. ...
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Ссылки http://www.eso.org/sci/facilities/lasilla/sciops.html -- 27.2 Кб -- 10.04.2016
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4. ASP: An Ancient Universe - Changes in the Solar System
An Ancient Universe: How Astronomers Know the Vast Scale of Cosmic Time . THE CHANGING UNIVERSE: EVOLUTION HAPPENS! ... Luckily nature has left a wide range of clues about evolution for us - at every scale of the universe - which we can uncover with some good astronomical detective work. a) Changes in the Solar System . ... An Ancient Universe - Table of Contents . ... The Universe: An Overview | ... The Changing Universe - Changes in the Solar System - Changes in Stars - Changes in the Universe | ...
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Ссылки http://www.astrosociety.org/edu/publications/tnl/56/changing1.html -- 9.2 Кб -- 02.10.2012
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5. Flagging Near a Set-Up Change - QVACK
Next: Flagging Based on a Up: Other Flagging Tasks Previous: AIPS Flagging and Miriad- . Another handy task is qvack (derivative of the AIPS task quack and so named for obscure reasons) for flagging a number of correlations after the observing set-up has changed (i.e., the source changed, the pointing centre changed, or the frequency changed). ... Flag data for 30 s after change . ... This can be used if the observing setup has not changed, but you still wish to periodically flag some data. ...
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Ссылки http://www.atnf.csiro.au/computing/software/miriad/userguide/node68.html -- 5.5 Кб -- 10.04.2016
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6. APOD: 2001 March 15 - Islands in the Photosphere
... 2001 March 15 . Islands in the Photosphere . Credit Copyright: Gunther Groenez . Explanation: Awash in a sea of plasma and anchored in magnetic fields , sunspots are planet-sized, dark islands in the solar photosphere , the bright surface of the Sun. ... In this sketch from March 6th, astronomer Gunther Groenez has faithfully recorded the intriguing shapes and shades of major visible sunspot groups and labeled them according to their NOAA active region number . ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap010315.html -- 4.7 Кб -- 01.10.2012
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7. http://www.izmiran.rssi.ru/services/saf/archive/en/2013/obzor20130527.en.txt
Weekly Bulletin on Solar and Geomagnetic Activity Highlights on 20 - 26.05.2013, Forecast on 27.05 - 03.06.2013, Carrington Rotations 2137 (15,02.05.2013) SUNSPOT-FORMING ACTIVITY OF THE SUN CHANGED FROM THE AVERAGE TO HIGH AND BACK TO THE AVERAGE LEVELS. ... NEXT WEEK THE LEVEL OF SUNSPOT ACTIVITY IS EXPECTED TO BE THE AVERAGE. ... BY SOHO AND STEREO CORONOGRAPHS DATA THERE WERE OBSERVED 48 CME FROM WHICH 4 WERE THE TYPE OF "HALO", 1 -"PARTIAL GALO III" AND 2 WERE THE TYPE OF "PARTIAL GALO II". ...
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Ссылки http://www.izmiran.rssi.ru/services/saf/archive/en/2013/obzor20130527.en.txt -- 6.4 Кб -- 27.05.2013
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8. Global change [Oulu]
spaceweb@oulu.fi - last update: 14 January 1999, 0950 UT (RR) . Term 'global change' is used to describe the changes of the large scale weather systems on Earth , and especially the surface temperature increase, by man-made increase of atmospheric CO 2 . ... It is the last point that is of importance for space physics, since it is possible that also the changes in Sun 's activity could be causing some changes in terrestrial climate. ... Space Physics Text Book of Oulu ...
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Ссылки http://www.iki.rssi.ru/magbase/REFMAN/SPPHTEXT/global_change.html -- 5.4 Кб -- 21.12.2007
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9. C.J. Butler, Research Astronomer
Next: J.E. Chambers, Research Astronomer Up: Research Previous: Research Contents . ... Solar Variability and Climate . Other Activities . ... Applied to data of flares on Gliese866 he was able to estimate the area of hydrogen emitting flare regions as 1-13% of the stellar surface. ... As partners in the project, Armagh Observatory has been asked to contribute to the selection process in exchange for priority access to the data which will eventually flow from the satellite. ...
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Ссылки http://star.arm.ac.uk/annrep/annrep99/node10.html -- 10.7 Кб -- 05.05.2000
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10. How do astronomers determine the ages of stars? | Astronomy.com
... Tonight's Sky . ... The Magazine . ... Observing . ... Star Atlas . ... stars . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... How do astronomers determine the ages of stars? ... 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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Ссылки http://www.astronomy.com/magazine/ask-astro/2006/10/how-do-astronomers-determine-the-ages-of-stars -- 62.9 Кб -- 10.04.2016
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11. http://www.naic.edu/alfa/memos/ealfa/memo041209.pdf
Inter-scan Overheads for Sequences of Drifts with ALFA M. Haynes, R. Giovanelli, B. Catinella, G.L. Hoffman, E. Momjian and M. Putman The A1963 Observing Team 09 December 2004 This note is a complement to our previous memo on the use of the "Fixed Azimuth Drift" observing mode using ALFA ( http://alfa.naic.edu/memos/memo041206.pdf) and is intended to be helpful for other ALFA observers, especially those using ALFA in drift mode. ... ALFA Rotation Times: The ALFA motor is currently set at 500 rpm. ...
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Ссылки http://www.naic.edu/alfa/memos/ealfa/memo041209.pdf -- 40.7 Кб -- 10.12.2004
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12. How has Mars changed over billions of years? | Astronotes
... Any water on Mars is locked up in the ice caps. ... The most recent successful mission to Mars is the Mars Science Laboratory better known as the Curiosity rover. ... CuriosityтАЩs primary role is to search for conditions that may have once been able to harbour any sort of bacterial life concealed beneath the Martian surface. ... Using what we know about life on Earth, where there is water, there is life, signs of water may help us understand what Mars was like billions of years ago. €а . ...
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Ссылки http://www.armaghplanet.com/blog/how-has-mars-changed-over-billions-of-years.html -- 67.3 Кб -- 09.04.2016
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13. Astrophysical Research Consortium - Apache Point Observatory
GrIm II . ... The MC has been modified to change the way GRIM images are stored to disk when FITS format is selected. ... The solution the Grim team has come up with is to internally add a constant of 10000 to every pixel of the 'bias subtracted' grim image which makes it conform to the unsigned 16-bit number standard, in that all pixel values after this addition of 10000 are in the range 0-65535. ... We have now implemented this for storage of GRIM files in FITS format. ... filetype fits . ...
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Ссылки http://www.apo.nmsu.edu/35m_operations/35m_manual/Instruments/Grim/Additional_HTML_Pages/FITS_Format.html -- 6.2 Кб -- 22.07.2004
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14. Phil Plait's Bad Astronomy: Misconceptions
... Bad Astronomy . ... I think I will break from my usual format of Bad Astronomy/ Good Astronomy by saying that the way we define seasons currently is not strictly bad, but I feel (in my opinion!) that it could be better. The definition of when the seasons begin is at the moment of solstice or equinox; that is, winter (in the north) starts on December 22 nd and summer starts on June 22 nd . ... Now imagine breaking up the Sun's 46 degree up-and-down yearly swing into 1 day intervals. ...
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Ссылки http://www.badastronomy.com/bad/misc/badseasons.html -- 24.7 Кб -- 09.04.2016
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15. Circular polarization: change of sign
Next: Scattering properties Up: Polarization properties (transmitted radiation) Previous: Linear polarization: wavelength dependence . Traditionally, the main problem considered in connection with circular interstellar polarization is the meaning of the wavelength where changes the sign . ... This is also demonstrated by Fig. 19 (lower panel) which shows the wavelength dependence of the factors of linear and circular polarization for particles of magnetite as was done by Shapiro ([ 1975 ]). ...
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Ссылки http://www.astro.spbu.ru/DOP/8-GLIB/ASTNOTES/node8.html -- 13.2 Кб -- 19.11.2010
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16. Amateur Astronomers Association of Princeton
... Club By-laws . ... Other Club Activities . ... Public Nights . ... Dr. James Green, NASA, Director Planetary Science will be our esteemed speaker on Tuesday, April 12, 2016 at 7:30 PM in Peyton Hall on the Princeton University campus. ... Our astronomers setup telescopes for public use at Communiversity in Princeton, Super Science Saturday at the NJ State Museum in Trenton and at various public events around Mercer County. ... Amateur Astronomers Association of Princeton, Inc., ...
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Ссылки http://www.princetonastronomy.org/ -- 23.1 Кб -- 02.04.2016
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17. Observational data
Next: References Up: A Method of Integrating Previous: Description of algorithm . In April 1996 the described method was included in the software of automatic data acquisition complex "Continuous". ... The measuring of sensibility by observing at the wave lengths of 1.38cm and 2.7cm. The measuring of sensibility by observing at the wave lengths of 3.9cm and 7.6cm. wave lengths. The measuring of sensibility by observing at the wave lengths of 13.0cm and 31cm. wave lengths. ...
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Ссылки http://mavr.sao.ru/hq/vch/Publications/Eng/html/NN/node3.html -- 5.2 Кб -- 28.12.2007
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[ Сохраненная копия ] Ссылки http://jet.sao.ru/hq/vch/Publications/Eng/html/NN/node3.html -- 5.2 Кб -- 02.10.2012
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[ Сохраненная копия ] Ссылки http://jet.sao.ru/hq/vch/Publications/Eng/html/NN/node3.html -- 5.2 Кб -- 02.10.2012
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18. Posting to VSNet
Posting Observations . ... You will need to subscribe to vsnet-acc (to allow you access to post your observations). ... VSNet has several different e-mail sigs, and sub sigs. ... These list are controlled by a software package called " Majordomo ", which allows you to subscribe and unsubscribe yourself from these list with an e-mail message (automated). ... Once you have subscribed to vsnet-acc (which will only send you a welcome message back and nothing else) you can post to the other list. ...
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Ссылки http://www.rochesterastronomy.org/SNIMAGES/vsnet.html -- 11.3 Кб -- 10.04.2016
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19. The AstroStat Slog model comparison
... Posts tagged ?model comparison? ... Dong-Woo, who has been playing with BEHR , noticed that the confidence bounds quoted on the source intensities seem to be unchanged when the source counts are zero, regardless of what the background counts are set to. ... Tags: Banff Challenge , Bayesian , BEHR , Dong-Woo Kim , model comparison , posterior probability , zero counts . ... 7 Comments . ... Entries RSS . Comments RSS . ... vlk on [MADS] Parallel Coordinates . ... Entries (RSS) and Comments (RSS) . ...
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Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/tag/model-comparison/index.html -- 19.9 Кб -- 01.03.2014
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20. OptInt PmWiki : PmWiki / Changes From Pm Wiki 1
OptInt PmWiki : Pm Wiki / Changes From Pm Wiki 1 . This page is intended to describe features of PmWiki 1.0 that have been changed or eliminated in PmWiki 2.0. ... ThisGroup:SideBar&action=edit Edit menu]] . ... action=post no longer exists -- posting a new page is now performed by using ?action=edit with the post control set to a true value. ... PmWiki's ReadPage() function no longer supplies default text for non-existent pages -- this is now decided by whatever functions need the page. ...
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Ссылки http://www.mrao.cam.ac.uk/projects/OAS/pmwiki/pmwiki.php/PmWiki/ChangesFromPmWiki1?action=print -- 15.7 Кб -- 01.03.2014
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