Instrument Science Report FGS 2005-01 The FGS Astrometry in the Feb 2005 On-orbit Two Gyro Mode Test E. Nelan August 17, 2005 A BSTRACT FGS1r Astrometry was tested under the Two-Gyro Mode (TGM) pointing control law during the February 2005 on-orbit test. ... In each of these orbits the visit contained a single (long) exposure that observed the visit's particular target star for the remainder of the visibility period. ... Visit 02: Visit 02 employed a bright (V=9.9) dominant guide star. ...

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... R2867 Arecibo Observatory Date Received: 2013-Sep-02 12:49:27 William E. Gordon Telescope Observing Time Request COVER SHEET Section I - General Information Submitted for Sep 1 2013. ... This proposal covers the time request for the second-best imaging opportunities, radar astrometry, and systematic survey time. ... Begin ­ End Interval­Interval ­ ­ ­ ­ Days Needed at This Interval Time Constraints (Must Be Justified in the Prop osal Text) See proposal for time request. ...

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Animation made from Faulkes Telescope images. ... Down) have observed and imaged the unusual near-Earth asteroid 2000 PH5 during its close approach to the Earth around 27 July 2004. ... The aim of the project was to image the asteroid using the Faulkes telescope, and determine its changing brightness and position in space as the small object passed near the Earth on its orbit about the Sun. ... To find out more about the Faulkes Telescope Project, visit the web site . ...

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ARCSAT ID NUMBER: AS01 DESCRIPTIVE TITLE: Search for Short-Period Planets Orbiting Bright White Dwarfs PI: Brett Morris (UW) OBSERVER(S): Brett Morris (UW), Doug Branton (UW) UNCERTIFIED/UNTRAINED OBSERVERS: Undetermined Pre-MAP students ... In addition, since typical white dwarfs are roughly Earth-sized, the transit of an Earth-sized planet can cause changes in brightness on the order of several tens of percent for durations on the order of one minute (Agol 2011). ...

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... They are concerned with Attitude Control System of the spacecraft, satellite visibility from tracking stations, limits on the satellite autonomous operations during the orbit, and needs for auxiliary operations with the spacecraft. ... Among the operational constraints the most important one is the number of programmed slews per orbit, which determines the maximum number of radio sources to be observed during one orbit. ... System temperature (K) . ... Progress of the RadioAstron Project in Pictures...

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... Science . ... Science Users Information > Science Activities > APEX Science Verification > SHFI . ... Observing Facilities . ... Observing with ESO Telescopes . ... Telescope Time Allocation . ... ESO Data . ... The Science Verification (SV) observations of the APEX Swedish Heterodyne Facility Instrument were observed in March 2008. ... A selection of the APEX-1 proposals listed below have been observed during the week of joint SV observations in March 2008, and later during the ESO time of period...

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Mercury - is the nearest to the Sun. Ellusive planet. ... They had several names for this star: Set and Gor (ant. ... The same surface spot with many craters, some of which has the systems of light beams only dark spots, like the Moon seas were considerably less. ... Further was the period of intensive bombing Mercury by the remains of before planet’s swarm (planetozimalies), when the ponds were founded for example Colories (diameter - 1300km) as well as craters like Copernic crater in the Moon. ...

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... Fit the ring around the equator and then change its inclination from 0 degrees (equatorial orbit used by geosynchronous satellites) to 28.5 degrees (space shuttle orbit) to 51.6 degrees (space station orbit) to 90 degrees (polar orbit used by spy satellites). by Rob Landis, Space Telescope Science Institute . ... With so many satellites now in orbit, it is likely that you have seen an artificial satellite zipping across the night sky. ... http://www.amsat.org/amsat/ftpsoft.html . ...

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Follow-up astrometry and recoveries are made with the ANU 40 inch (1.0-m) f/8 reflector at Siding Spring Observatory (IAU code 413). ... A routine follow-up of 2003 WY153 on 2003 Dec 15 became much more than routine when a faint object with unusual motion vector was found close to the target asteroid. ... During routine astrometry with the 1.0-m to improve the orbit of the Apollo asteroid 2004 CB, the asteroid was found on March 30 to have a short tail! ... Siding Spring Survey Main Page . ...

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Lectures . ... Home Lectures Lecture Series 2010-2011 Lecture Series 2010-2011 ? The History of the Universe in One Hour? by Max Tegmark . ... Lecture Series 2010-2011 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Amateur Astronomers Medal . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

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... 24.11.2001 . ... In visible light, NGC 6782 appears to be a normal spiral galaxy with a bright bar across its center. ... As meteor after meteor streaked across a moonless sky, photographers across the world snapped pictures of the 2001 Leonids Meteor Shower. ... In fact, the 2001 Leonids was the most active meteor shower since the mid-1960s. A 2001 Leonids Meteor Shower Fireball . ... The 2001 Leonids Meteor Shower gave quite a show to many parts of the world yesterday during the early morning...

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... You are here: start €Ё correlator €Ё records €Ё 2008 . Trace: тАв 2008 . correlator:records:2008 . ... Hours scheduled/hours OK by station . ... Sched . ... Aquib 20090513 . ... 13.5 . ... Aquib 20090402 . ... 1) Scheduled UT1030-2000, had to hand over a bit earlier? . ... correlator/records/2008.txt €§ Last modified: 2014/11/11 18:08 (external edit) . ... Except where otherwise noted, content on this wiki is licensed under the following license: CC Attribution-Share Alike 3.0 Unported . ...

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... On some space shuttle missions, there are opportunities for observers in the continental United States and Hawaii to see the orbiter fly overhead. ... The second item is a Space Shuttle Mission Chart, which is a Mercator projection map of the world with the orbiter's orbits superimposed on Earth's surface. ... Shuttles are launched from the Kennedy Space Center in Florida, which is at a latitude of 28.5њ north. ... NASA Johnson Space Center . ... You will see that Shuttle orbits just graze the globe...

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Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Earth Satellites . ... Leonid meteors seen from 13 km altitude aboard an aircraft during the 1999 Leonids Multi-Instrument Aircraft Campaign (Leonid-MAC). Comet Tempel-Tuttle provides the cometary debris for the Leonid meteor shower. ... Every 17-19 November Earth crosses Tempel-TuttleтАЩs orbit and the Leonids become visible. With clear, dark skies observers may see 10 to 15 Leonid meteors every hour on those mornings. ...

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The orbital period of a satellite increases as its mean distance from Earth grows. The space shuttle in a low altitude circular orbit, just above the atmosphere, completes one circuit in about 90 minutes. ... If you have a suitable calculator, you can easily chek the value of T for R=6.6] A satellite orbiting above the equator at that distance keeps its position above the same spot on the ground; hence this is known as the synchronous orbit, from the Greek syn--same, chronos--time. ...

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Upper stage Block DM-SLB has delivered spacecraft (SC) Measat-3a with a mass of about 2.4 tons into its target geotransfer orbit. The launch took place under the Land Launch program using Zenit-2SB launch vehicle (lift-off at 1 hour 50 minutes Moscow Time). ... The mission control for the upper stage with the SC was provided by the Technical Management (The Technical Manager is the President and Designer General of the S.P.Korolev RSC Energia V.A. Lopota). ...

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... ACCORDING TO THE CENTRE IN BOULDER 17-19.03 ONE LONG MAGNETIC STORM WAS OBSERVED (G4, Ams = 83, dur. = 60 h.), AFTER WHICH IN 6 HOURS (19 - 20.03) MINOR MAGNETIC STORM FOLLOWED (G1, Ams= 33, dur.= 12 h.) AND AT THE END OF THE DAY 20 AND 21.03 ONE MORE MINOR MAGNETIC STORM (G1, Ams= 25, dur.= 12 h.), AND 22.03 IT IS NOTED SUBSTORM OF G1 INTENSITY, dur. 9 h. ALL THESE ADDITIONAL GEOMAGNETIC DISTURBANCES WERE FED WITH FLARES IN AR12297 AND SOLAR FILAMENT EJECTIONS 17-18.03. ...

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OBSERVATIONS OF COORBITAL SATELLITES OF SATURN Emel'yanov N., Varfolomeev M. Sternberg State Astronomical Institute, Moscow, e-mail : emelia@sai.msu.ru Institut de MИcanique CИleste et de Calcul des иphИmИrides, Paris, e-mail : emelia@imcce.fr Abstract. To improve the orbital parameters and masses of coorbital satellites of Saturn, Janus and Epimetheus, new observations of these satellites are necessary. ... IN: Saturn. ... New observations of Saturn's coorbital satellites" - Icarus. ...

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... Tonight's Sky . ... Observing . ... exoplanets . ... Sky Events . Get to Know the Night Sky . ... Day and night observed on exoplanet . For the first time, scientists have directly measured day and night temperatures on a planet outside our solar system. ... A Jupiter-like planet orbits close to its host star in this artist's concept of extrasolar planet Upsilon Andromedae b. Scientists who measured the planet's temperature find little energy transport from the exoplanet's day to night side. ...

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... Spacecraft . 29b. Satellites looking down . ... 29e. Explorers of distant space . ... The Hubble orbiting telescope. ... The Hubble telescope , in low Earth orbit, overcomes such limitations, in the visible range and in part of the UV. ... So fruitful was this observation that a second "deep field" exposure of such length, near the southern pole of the heavens, was recently conducted. ... Some satellites specialize in observing the Sun, such as the Japanese Yohkoh and NASA's SOHO . ...

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