Introduction The suggested invention relates to attitude control system of a spacecraft. ... Systems without interaction with ambient (Systems with jet engines) Here, for instance, we can put systems, which can generate torque because of jettisoning any particles or gas. ... The main element of the suggested attitude control system is an electrical motor, which main feature is absents of a stator. ... 3 Block diagram of an attitude control system on a jet engines base. ... It is a system with| | ...

Winer Observatory P.O. Box 797, Sonoita, Arizona 85637-0797, USA . ... Winer Observatory gratefully acknowledges the generous support of those listed below. ... We thank our donors and hold them up as models of how corporations in America can behave responsibly in the communities in which they do business. ... Telescopes, parts, and accessories . ... 100,000 . ... Hughes Missile Systems . ... Miscellaneous electronics . ... Terra Universal, Inc. ... EFI Electronics Corp. ... 2013 Winer Observatory. ...

With this knowledge of orbits, we are ready to plan a trip to Mars. ... The spacecraft will already have the 107,000 kilometers per hour (66,500 miles per hour) speed of Earth, whereas Mars moves at only 86,900 kilometers per hour (53,900 miles per hour). ... A speed of about 42,000 kilometers per hour will be enough to escape the Earth's gravity and, when added to the Earth's orbital speed around the Sun, put the spacecraft on a Hohmann transfer orbit to the Red Planet. ... 1,570,000 . ... Earth . ...

University Satellites and . Space Science Education . ... 14 Bissat, an International Student Experience . ... On August 2003 an accident with the Brazilian Launcher, VLS, destroyed the UNOSAT (www.space.unopar.br) that was the first Brazilian University Undergraduate Student nano satellite. ... The name of 14 Bissat is to commemorate the 100 year of the flight of the first airplane by the Brazilian Santos Dumont in Paris and is an acronym of Brazilian International Student Satellite. ...

... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...

... Bad Astronomy . ... On Thursday, February 15th 2001 (and replayed on March 19), the Fox TV network aired a program called ``Conspiracy Theory: Did We Land on the Moon?'', hosted by X-Files actor Mitch Pileggi. ... Dust around the lander . ... However, it appeals to our common sense: when the sky is black here on Earth, we see stars. ... Bad: The program claims that when the top half of the lander took off from the Moon to bring the astronauts back into orbit, there was no flame from the rocket. ...

... A new version of a polarization analyzer ensuring parallel measurements of six polarization components of spectral lines is considered. ... A new version of the polarization analyzer, which ensures simultaneous measurements of six polarization components of a spectral line, is considered. ... One of the widespread schemes for magnetic fields measurements includes an tunable optical filter, an adjustable polarization analyzer, and a two-dimensional CCD array placed in the solar image plane [1, 2]. ...

... Archives . ... Quote] The ?Bible? ... The abstract has one sentence: There are none and the first paragraph of this short paper explains the uniqueness of the abstract: . ... However, for even the single-input, single-output case there has remained the question of whether there exist any guaranteed margins for the full LQG (Kalman filter in the loop) regulator. ... Tags: abstract , Kalman filter . ... Comment ( RSS ) | ... I think I have to correct about Kalman filter. ... Chandra Blog . ...

... Dept. for Astrometry & Space Geodynamics . ... Dept. for Physics of Stars&Galaxies . Dept. for Space Plasma Physics . Dept. for Physics of Minor Celestial Bodies . Dept. for Physics of Planetary Systems . Dept. for Solar Physics . ... Solar telescopes . ... 2016,MNRAS, 2016MNRAS.tmp.. ... Evans A., Pavlenko Ya.V., Kaminsky B.M., et al.Modelling the spectral energy distribution of the red giant in RS Ophiuchi: evidence for irradiation. ... Equipment . ... All Pages . Page 4 of 5 . ...

... Группа сканирующей электронной микроскопии . ... Наша группа . ... Есть возможность проводить исследования поверхности с помощью атомно-силовой микроскопии. наверх . ... Сверхвысоковакуумная (P -10 мбар) камера (на рис. обозначена цифрой 1) для анализа и подготовки поверхности производства OMICRON nanotechnology GmbH с манипулятором (2), имеющим четыре степени свободы и нагреватель для прогрева образцов (возможен прямой прогрев пропусканием тока и прогрев рядом расположенным резистором до 750 o C). ...

... Area of expertise: flight dynamics including mission analysis and design, design, spacecraft attitude determination and control, orbital maneuvers. ... Cosmic Research, 1990. vol.28, No.6, p.874. 2.Onboard Algorithm for Attitude Determination of Spin Stabilized Spacecraft of INTERBALL Project Based on Optical Sensors and Magnitometer measurements, Proc. of the International Symposium on Spacecraft Ground Control and Flight Dynamics, 1994, Sao Jose dos Campos, Brazil, p.32. ...

... The mount is also adjustable so you can orient the axis of rotation to make it parallel with the Earth's axis of rotation (see the section on Polar Alignment). ... Locate the opening in the equatorial mount on the DEC axis. ... To mount the telescope tube: 1. ... ADJUSTING THE MOUNT FOR POLAR ALIGNMENT In order for the clock drive to track accurately, the telescope's axis of rotation must be parallel to the Earth's axis of rotation, a process known as polar alignment. ... R.A. & DEC axis ! ...

... EQDRIVE - GOTO контроллер для монтировки совместимый с EQMOD . ... 22 Июнь 2011, 22:48:51 ? Это открытый проект GOTO контроллера управления монтировкой, исходный код распространяется на условиях лицензии GPL. ... Ответ #1 : 22 Июнь 2011, 22:52:25 ? ... Цитата: Mikhail Nalivkin от 22 Июнь 2011, 22:57:50 Мне кажется, городить контроллер Goto не стоит, cложно. ... Цитата: astrokor от 22 Июнь 2011, 22:48:51 И во вторых, благодаря первому, изучил протокол обмена EQMOD с монтировками SYNTA HEQ5 EQ6. ...

... line .. ... line cable . ... Signal ACK NAK NOD ACN ACY ACW SINC DNG Hex. co de 0x87 0x96 0xA5 0xB4 0xC3 0xD2 0xE1 0xF0 Meaning Successful receiving of data Damaged packet was received Required data are not ready Command is successfully received but such a command do es not exist Command is successfully received and executed Command is successfully received but can not b e executed right now Synchronization signal Danger signal 29 Within the packet, the command byte follows after the header byte. ...

STAR FIELDS Newsletter of the Amateur Telescope Makers of Boston Including the Bond Astronomical Club Established in 1934 In the Interest of Telescope Making & Using Vol. ... 2 February 2002 polish out the mirror. ... This Month's Meeting.. ... THIS MONTH'S speakers will be ATMoB and AAVSO (American Association of Variable Star Observers) members MIKE HILL and ED LOS. ... Bob announced that at the February club meeting members would have the opportunity to present some of their own projects. ...

Moscow State University Sternberg Astronomical Institute Specification 2.5 m telescope with enclosure version 7.6 |Number|Item description, type |Quanti| | ... 1000 |2.5 m mirror telescope system |1 | ... lightweighting) must provide the short time of | ... stations (ports) must be provided. ... 1006 |Nasmyth focal stations must be provided with a deployable| | ... must be provided. ... Telescope control system and environment conditions | ... 2005 |Camera shutter must provide unvignetted CCD field, | ...

... Government Open Systems Interconnection Profile Users' Guide, Version 2 . ... Computer Systems Laboratory . ... USA Government Printing Office, Washington, 1991 . ... 1.2 Nature and Purpose of Guide 1 . 1.3 Brief History of OSI 2 . 1.4 Role of GOSIP 5 . ... 5.3 Configuring a GOSIP System 29 . ... 6.5.5 Network Technology Options 43 . ... 7.7.2 Secure Data Network System (SDNS) 70 . ... 9.5 Interoperability with Non-GOSIP OSI Systems 94 . ... APPENDIX D: USERS' GUIDE EVALUATION FORM 155 . ...

... NASA's newest Great Observatory, the Chandra X-Ray Observatory (CXO) -- formally known as the Advanced X-Ray Astrophysics Facility (AXAF) -- launched on July 23, 1999 and represents such an advance. ... Hughes Danbury Optical Systems (HDOS), now Raytheon Optical Systems Incorporated, figured and polished the x-ray optics; Optical Coating Laboratory Incorporated (OCLI) coated the polished optics with iridium; and Eastman Kodak Company (EKC) mounted and aligned the optics and provided the optical...

Using Site testing data for Adaptive Optics simulations Kislovodsk, October 2010 1Glen Herriot, 1David Andersen, 1Jean-Pierre VИran, 2Brent Ellerbroek, 2Luc Gilles, 2Lianqi Wang 1National Research Council Canada ­ Herzberg Institute of Astrophysics 2TMT Project Office, Pasadena TMT.AOS.PRE.10.074.REL01 1 Outline TMT / NFIRAOS Site Testing Parameters and their value for Adaptive Optics Simulations ... TMT.AOS.PRE.10.074.REL01 9 What is the interest of Adaptive Optics in r 0 Seeing ? ...