... The storm began quite unexpectedly. The strongest geomagnetic storm for the last seven months began on Earth almost precisely at the same time as the solar eclipse reached its maximal stage, the culmination of which occurred at GMT 02:35 (06:35 Moscow time). ... Oscillations of such amplitude in the magnetic field have not been observed since October, 11th of last year, which is more than seven months ago. ... We can only add that the magnetic storm lasted approximately 9 hours. ...

... solar system . ... Solar eclipse travelogue: Sulawesi delivers a spectacular eclipse . ... Observe the Solar System . ... Tour the Solar System . ... Do the paths of totality during solar eclipses follow a pattern that repeats after a certain period? ... RELATED TOPICS: SOLAR ECLIPSE . Total eclipses follow a period known as the saros, which is 18 years and 11 1/3 days long. ... Get instant access to subscriber content on Astronomy.com! ... Join Astronomy for America's 2017 total solar eclipse! ...

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 . ...

... This package removes the need for external code to maintain and traverse callback lists. ... Register a callback function with a list. c_unregister_callback . ... Call all registered callbacks for an object. c_destroy_list . ... KCallbackFunc c_register_callback (KCallbackList *list, flag (*callback) (), void *object, void *client1_data, flag client1_indirect, void *client2_data, flag client2_indirect, flag quenchable) . ... list : A pointer to the callback list. ... Multithreading Level: Unsafe . ...

... Science . ... Science Users Information > Science Archive Facility > Request Handler FAQ . ... Data Handling and Products . ... ESO Data . ... Also, please double-check that you have entered correctly the full address of the service ( http://www.eso.org/requestHandler/pipacks ), including the leading triple w. Answer: The packages contain the raw data belonging to the selected run, the associated raw calibrations, the masters derived from them and the pipeline science products generated from them...

Main Sections LabIR main page . Instrument page . ... Special Sections Software Page . ... LabIR staff . Companion Pages Skysoft Home . Tirgo Page . ... Please send questions/reports about these pages to the following e-mail address: . ... If you would like to be added to our mailing list and/or be informed automatically of news and updates, please fill the form below. ... Add me to your mailing list Inform me of WEB pages updates Both WEB updates and maling list Data download request . ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2001 July 6 . Bakasa Eclipse Sequence . ... Explanation: Starting at the upper left, this sequence of images follows the progress of the magnificent 21 June, 2001 solar eclipse in the clear skies over Bakasa, Zimbabwe. ... About APOD | ... NASA Technical Rep.: ... A service of: LHEA at NASA / GSFC . ...

... 1995: . ... for the first time a magnetic field was registered on normal white dwarfs. ... A study of variability of the first galactic superluminal radio source GRO J1915 +10 with the RATAN-600 showed a delay of flare activity at 3 frequencies of 5-10 days after the X-ray flares with an inversion of the radio spectrum. ... The distribution of linear dimensions of clouds in the first approximation is power-law. The distribution of clouds by concentrations depends on the galactic latitude. ...

... We present a computer program for modelling energy flux distribution and light curves of eclipsing binaries from far ultraviolet to infrared regions. The Roche model is assumed. Proximity effects of components (reflection of radiation and surface gravity darkening) are taken into account. ... Figure 1: The surface temperature distribution for Algol A-B system before (upper plot) and after (lower plot) correction for temperature due to the irradiation effect. ...

The IAO-type events have to stimulte the science-educating style of the Olympiads. To follow the main science-educating principles of the IAO-type events and Schools for Young Astrophysicists , particularly: . ... The minimum duration of the IAO-type event is defined as 5 days (4 nights). ... foreign language teams for an international IAO-type event - 1 / 2. ... The full text of the current Supplementary Instructions N 4 IAO-type events and Schools for Young Astrophysicists to be presented later. ...