... The Long Shadow of the Moon . ... 27.11.2003 . ... Credit Copyright: Image courtesy J. Descloitres, MODIS Rapid Response Team, GSFC , NASA Explanation: The long shadow of the Moon fell across the continent of Antarctica on November 23rd , during the second total solar eclipse of 2003. ... November . ... November 2003 . ... Publications with keywords: total solar eclipse - Antarctica - shadow . Publications with words: total solar eclipse - Antarctica - shadow . ... Solar Eclipse over Antarctica . ...

Next: Recording Systems History and Up: INFORMATION AND ADVICE ON Previous: Management of Data Recordings Contents . ... Most VLBI relies on recording the raw data on magnetic media, and then shipping that media to a correlator where it is processed days to months after the observations are made. ... This section provides background on the various recording systems in use. ... Recording Systems History and Background . Recording Systems Control . ... NON-VLBA Telescopes with VLBA Recorders . ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2013 September 19 . Moon, Venus and Planet Earth . ... Explanation: In this engaging scene from planet Earth , the Moon shines through cloudy skies following sunset on the evening of September 8. ... Closest to the Moon is Earth's evening star, planet Venus , emerging from a lunar occultation . ... About APOD | ...

... Armagh Observatory, 5 January 2016: Armagh Observatory reports that December 2015 was much wetter than average, the wettest December on record at Armagh, that is, since records of daily precipitation began at Armagh in 1838. ... The month was slightly duller than average, with 15 of the 31 days having no recorded strong sunshine at all. ... The long-term (1838-2010) average December precipitation at Armagh is 77.44 mm and the most recent 30-year (1981-2010) average precipitation is 77.23 mm. ...

... One of this year's largest mass ejections from the Sun's atmosphere was recorded last Sunday by TESIS telescopes aboard the CORONAS-PHOTON satellite ( video - wmv 4.3 MB ). ... Over the course of a week, two gigantic solar prominences were simultaneously ejected from the surface of the Sun. ... Earth will not feel the Sun's influence either. ... The TESIS observatory ї TESIS: www.tesis.lebedev.ru . ... One of this year's largest mass ejections from the Sun's atmosphere (movie WMV, 4.3 MB) . ...

Next: Submitting a Telescope Proposal Up: Astronomer's Guide to the Previous: Pulsars . Arecibo presently supports VLBI for up to a maximum of 4% of its astronomy observing time. ... Arecibo is equipped with a a VLBA4 recording system, compatible with the HSA, EVN and Global networks, and the 305-m telescope is available for scheduling with any of them. ... From 2004, Arecibo has used a VLBA4 Data-Acquisition Rack, together with a Mark-5A disk-based VLBI recording system. ...

SCORPIO long-slit gallery. Here some spectra obtained on the 6m telescope with SCORPIO in long-slit mode. ... The object 0204+06 (R=19.5 mag) was observed in September, 23 2001. ... Texp=2x300 sec . Setting slit on the object . ... Subtraction of night-sky lines . Spectra energy distribution in the central object . The object Z2210+06 (R=19.7 mag) was observed in September, 24 2001. ... Spectra energy distribution in the object . ...

Some peculiarities of orbits of observed comets. ... Icarus, 2005 Simulation and reality Distribution of anti-perihelia of short-period comets with e 0.9 ( ecliptic coordinates ) Distribution of anti-perihelia of short-period comets with e 0.9 ( ecliptic coordinates ) Distribution of anti-perihelia of long-period comets with 0.9 e 1 ( ecliptic coordinates ) ­ ...

... Note: Now that the EROs have been performed and the Cycle 6 science has resumed, WFPC2 will no longer report at this meeting, except of course in the event of anomalies affecting SMOV or an adverse change in the observed UV/Lyman alpha throughputs. ... STIS Status - Engineering Status - STIS experienced a problem in reporting data out of SDB to the recorder during data collection for the Coarse Corrector Alingment Activity (7075). ... FOC/COSTAR status- no new activity PLANNING REPORTS 1. ...

Astronotes Armagh Planetarium's Stellar Blog! ... January . ... Posted on January 29, 2013 | 1 Comment On the weekend of the 14and 15 of July 2012 we held a pinhole photography event.€а This was led by the world renowned pinhole photographer Justin Quinnell.€а Justin has been [ ] . Continue Reading.. ... This new comet was in January 2013 just a dim speck in the constellation Gemini, between the stars Castor and Pollux. ... Posted on November 15, 2012 | ... Posted on October 3, 2012 | ...

... Because of the solar wind originating from the Sun , Earth is hit by a hot, magnetized, supersonic collisionless plasma carrying a large amount of kinetic and electrical energy. Some of this energy finds its way into our magnetosphere creating, e.g., geomagnetic activity which consists of . geomagnetic storms , . ... Res. ... Mursula, K. and B. Zieger, The 13.5-day periodicity in the Sun, solar wind, and geomagnetic activity: The last three solar cycles, J. Geophys. ...

... the time of observation . ... Observing the Changing Position of the Sun To Establish Cardinal Directions . ... Observations of the Sun's apparent movement across the sky and its pattern of rising and setting in the east and west horizon helped to establish the cardinal directions. ... The final stage of the Sun's return was marked by the observation that the Sun had reached its highest altitude when the full width of your mitted hand could fill the gap between the Sun and the horizon. ...

... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... 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 . ... The long track of the Moon . ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

A lunar occultation of the infrared source IRAS18124-2056 was recorded in the evening of July 25, 1999 at the 3.5m Telescopio Nazionale Galileo on the Canary Islands, equipped with the Arcetri Observatory near-infrared camera ARNICA . The occultation has been recorded by F. Ghinassi , and the data have been analyzed by A. Richichi . ... The ARNICA camera has been used before to record Lunar Occultations at the 1.5m TIRGO telescope, thanks to special software developed by C. Baffa . ...

... ALMA . ... ARC Staff at ESO . ... The European ALMA Regional Centre (ARC) provides the interface between the ALMA project and the European science community. ... Below you can read the latest Announcements from the European ARC Network.. ... The call for 1-mm Very Long Baseline Interferometry (VLBI) proposals to use phased ALMA at Band 6 in Cycle 4, in collaboration with the Event Horizon Telescope Consortium (EHTC), will be released to coincide with the ALMA Cycle 4 Call for Proposals in March 2016...

... Higgs, 1989; DRAO 1991. ... 12-13 RA (hours) 15-16 RA (min) 18-22 RA (sec) (XX.XX) 24-28 RA error (sec) (XX.XX) ( blank = unknown ) 30 Sign of declination 31-32 DEC (degrees) 34-35 DEC (arcmin) 37-40 DEC (arcsec) (XX.X) 42-45 DEC error (arcsec) (XX.X) ( blank = unknown ) 47 Epoch of coordinates (1=B1950, 2=J2000, 3= unknown ) 49 Type of position determination (1=rough estimate, 2=centroid, 3=peak, 4=fitted Gaussian, 5= unknown ) 51-56 Flux #1 ( variable format ) 58-62 Error in ...

Statistics of sunspot activity . The sunspot indices . ... The solar regions . ... 2015 . ... September . ... September, 2015 . Visual indices of solar activity by author's observations . ... Average . ... 0.40 . ...

THE RELATIVE MONTHLY MEAN SUNSPOT NUMBER ON SEPTEMBER 2014 HAS MADE Wsep.= 87.6, THAT GIVES FOR 61 MONTHS (2014, march) DEVELOPMENT CURRENT 24 CYC- LES OF SOLAR ACTIVITY THE SMOOTHED MONTHLY MEAN SUNSPOT NUMBER W*mar. ... Weekly Bulletin on Solar and Geomagnetic Activity Highlights on 29.09 - 28.09.2014, Forecast on 29.09 - 05.10.2014, Carrington Rotation 2155 (17,72.09.2014) SUNSPOT-FORMING ACTIVITY OF THE SUN WAS AT THE HIGH AND AVERAGE LEVELS. ... THERE IS 3 EJECTIONS OF THE SOLAR FILAMENTЫ. ...

... The most spectacular view however is from space, where large areas of aurora can be observed simultaneously, even the entire polar cap. ... Such pictures often show a continuous ring of aurora around the polar cap (picture above), caused mostly by electrons leaking out along magnetic field lines, from the plasma sheet of the Earth's magnetic tail. ... Field lines from the auroral oval are believed to lead to the plasma sheet. ... A near-Earth circular polar orbit has many uses. ...

RADIOASTROPHYSICAL DEPARTMENT • INSTITUTE OF SOLAR-TERRESTRIAL PHYSICS RAS SB . Research results on fast active processes General information Main characteristics of the Radio telescope Observing programs General view of the antenna array Main research areas Principle of generation of radio images Radio telescope's beam Receiving systems Main characteristics of the base receiving-recording complex Calibrations Data archive and databases ... Distribution of the recorded spikes in duration . ...