Astronomy Picture of the Day . ... 21.10.1999 . ... Credit Copyright: Louis Strous ( LMSAL ), SOHO - MDI Consortium, ESA , NASA Explanation: The Sun rotates on its axis about once every 27 days. ... Just follow the sunspots . ... It shows the Sun's visible surface for most days of August 1999 so that the same sunspots appear many times as the solar rotation carries them across the face of the Sun . ... October 1999 . ... 1999 2000 . ... Publications with keywords: Sun - solar rotation - sunspot . ...

RTT150 . ... This search system is designed for generating the necessary information on series of pointings (observations of each source consist of sets of exposures with different filters and sometimes with different exposure times) for observed sources. Search results appear at the separate page as a table with the following data: . DATE - real (not evening!) observations date (in YYYY-MM-DD format); . ... Bin - minimal CCD binning mode (may vary during the observations); . ...

Software Development: ST-ECF IRAF Package : Installation instructions . ST-ECF quit 2) Create a directory to contain the STECF external package files. ... 3) Log in as IRAF and edit the extern.pkg file in the hlib directory to define the package to the CL. From the IRAF account, outside the CL, you can move to this directory with the command: % cd $hlib Define the environment variable stecf to be the pathname to the stecf root directory. ... Maintained by Richard Hook Richard.Hook@eso.org ...

... Tonight's Sky . ... The Magazine . ... Observing . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Follow an urban deep-sky catalog . ... Our т??Holmes Catalogт?? to date, although not definitive, shows how much deep-sky astronomy is possible from city centers. 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 . ...

... Byte-by-byte Description of files: star -S1.txt , star -S2.txt, star -S3.txt ------------------------------------------------------------------------------- Bytes Format Units Label Explanations 1- 4 I4 --- YYYY Year of the date 6- 7 I2 --- MM Month of the date 9- 10 I2 d DD Day of the date 13- 14 I2 h h Hour of the day 18- 24 F7,2 d JD* Julian day of the date , JD*=JD-2450000.5 28- 31 F4.1 degrees M-S Apparent distance between ...

. Home . Structure of Data . Description . Catalog . Publications . VO . ЮБ 2000 . 11:14:20.2 . ЮД 2000 . -57:33:04 . l . 290.172 . b . 2.895 . diameter . 14.0' . (m - M) 0 . 11.4 0.05 . distance . 1900 50 pc . E(B - V) . 0.08 0.01 . log(t) . 9.65 0.05 . (J, J-H) isochrone VOTable . 2MASS data VOTable . Developed by the Team . Send us your questions or feedback

... part 2 | ... Part 1 . The new concept of formation and development of the Solar system. ... Thus, the initial pulse of the rotation of a protosolar cloud of the solar system was determined as a result of the diversion of a part of the moment of the rotational pulse of the Galaxy. ... Besides this new approach to the pre-solar system as a system of the destroyed vortex structure, we can understand now a number of other peculiarities of the Solar system's structure. ...

... It was done. ... Agenda of the RadioAstron teleconference August 25, 2010 Corrections to the Agenda 1 2 3 N. Kardashev N. Kardashev N. Babakin Project status Present status of tests of science payload in LA Brief review of Pushchino TS verifications with Venus Express: current status and outlook Current status and activities related to TS in South Africa and in New Zealand Action items L.Gurvits S.Likhachev S.Gulyaev M.Popov 4 5 Chairman: N.Kardashev List of ...

Lab . Main page News People . ASA . Master . Master net Homepage . ... Lomonosov Moscow State University Sternberg Astronomical Institute . ... MASTER . ... Lomonosov (ShOK) . ... About Space Monitoring Laboratory, scientific directions, instruments, contacts . People, who work in lab . Latest news and news archive . ... All news ...

. Other Relevant Plots . Several new Radio-loud BAL QSOs . A unique Q+A QSO . | Front page | . | << - Close pairs | Talk summary - >> | . Robert J. Smith, ">rsmith@mso.anu.edu.au Last modified: Fri Sep 24 11:39:02 EST 1999 .

... Excel file with explanations how to fill; please, save the table in format not later Excel-1997-2003.) ... Rules and Regulations for a participant of the Olympiad that have to be translated into native languages of participants (if using Word, please, save the translation in format not later Word-1997-2003), attention for additions during last years ( blue and red text ): . ... Dr. Michael G. Gavrilov, Founding Chairman and Coordinator of the Asian-Pacific Astronomy Olympiad (APAO) . ...

... Submitted by Ben Kleschinsky on 11/02/2013 02:18:51 . Summer Solstice Super Moon 6/23/13 . Taken on the night of the Summer Solstice around midnight June 23, 2013. ... Camera: Nikon D5100 Lens: 70-300mm ED VR . Shutter-Speed: Unknown ISO: Unknown . POST PROCESSING: . ... Logon to post a follow-up comment or review comments from others . Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... LINKS . ... 0 total, enter for more, latest pics follow . AAL Activities . ... 105 total, enter for more, latest pics follow . ... Internet Time: @850 . ... INTELLIGENT-IP Internet Services . SOME LINKS . ... more links.. ... The AAL is not responsible for the content of external internet sites! ... Coordination & Astronomical Content by: J. Steinberg ...

... Recent Topics . ... Forum . MAO main . Info . Definition of Polarization Angle . info . ... От: "Claus Leitherer" . ... Тема: Definition of Polarization Angle . ... Please take note of the attached IAU recommendation concerning the definition . of the polarization angle in astronomical measurements. ... www.mao.kiev.ua/images/postbyemail/Polarization.pdf . ... Board Categories MAO main - Info - MAO - news - Flame Technical - Technical Support(Forum)(Техподдержка(Форум)) . ...

Download Izmccd (~2.7 MB). Solution of problems at identification of star field. ... 2) Scale is not correct. ... In this case algorithm of identification will revise all values of scale from twice smaller up to twice greater. ... There should be more than value of the field "Number of stars in frame". ... The star field is considered identified if number of the identified stars more or equally to this value. It is necessary to set value from 4 up to value of field "Number of stars in frame". ...

Welcome to K -corrections calculator, simple service allowing one to determine K -corrections of a galaxy, given its redshift and one or more colours. ... K -correction in choose filter.. ... Redshift . Colour choose colour.. Colour value . Calculator . ... calculate spectral energy distributions , K-corrections calculator , GALEX FUV NUV , UKIDSS YJHK , K-corrections of galaxies , spectral based k-corrections , SDSS filter set K-corrections , K correction code IDL , kcorrect IDL C , . ...

... 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. ...

... Telescopes ћ Binoculars ћ Microscopes . Binoculars Instruction Manual . ... Regardless of your application bird watching, nature studies, spectator sports or sightseeing you will appreciate the superior optics and durable construction that make Meade binoculars an excellent investment. ... FOCUS LOCK SYSTEM . Meade Safari Pro binoculars include a Focus Lock feature (see diagram), permitting the locking of the Center Focus Knob to maintain precise focus of an object at a specified distance. ...

. Figure 3. Dark dimmings and bright post-eruption arcades in solar sources of the severest FDs over the solar cycle 23 in SOHO/EIT 195 е fixed-base difference images. The FD magnitude of the strongest disturbances and the dates and time of their registration are specified in the upper right corner of each panel. The dates and time of EIT images subjected to the subtraction are specified at the bottom of each panel.

Альтернативный форум . Scientific.ru Все форумы . Постоянные участники форумов [ .. ... The second law of Newton - Zhivotov, kinetic energy and work of forces. ... It is scarlet - work of tangential forces. ... Re: Второй закон Ньютона - Животова (Редактированное) (То) . ... Второй закон Ньютона - Животова, кинетическая энергия и работа сил. ... снова все то же Munin, 11.12.2007 13:39 . ... Re: Второй закон Ньютона - Животова, кинетическая энергия и работа сил. v_rtex, 08.12.2007 17:34 . ...