The core of the instrument is the liquid nitrogen tank, which has toroidal shape with rectangular cross section, It provides support and cooling for two optical benches, which are located of opposite faces of the vessel itself, and for the radiation shield. It contains about 3 liters of liquid nitrogen. ... Because the charcoal is cooled by an indipendent cryogenic system the heating of optics and main part of mechanics is not necessary and the operation can be completed in about 4 hours. ...

... Future seminars . ... HAARP as ionospheric instrument of the cutting edge technology " . ... The talk will present an overview of the HF Auroral Research Program (HAARP) facility. ... The facility which is located near Gakona Alaska is a unique instrument for the research of the auroral ionosphere. ... A few key areas of HAARP related science and application will be discussed in detail. HF ionospheric modifications and their applications to long range communications, navigation and space weather. ...

20-23 September 2016, St.Petersburg, Russia . ... Registration to the Symposium will be held in the main building of the Institute of Applied Astronomy of the Russian Academy of Sciences on Monday 19th September, from 18:00 to 21:00 . ... Registration will also be available on Tuesday September 20th from 8:00 to 9:00 at the conference venue. ... Conference dinner will take place in the Palace of Grand duke Vladimir (Academics House) on Wednesday 21th September, from 19:00 to 22:00 . ...

The Navy Prototype Optical Interferometer . Articles | ... John Huggins . ... The white buildings house a type of telescope called a siderostat. Each houses a 0.5 meter mirror which collects the starlight and sends it to a mirror system which guides the light to a central building. ... After the starlight hits the siderostat mirrors, additional mirrors guide the light to a feedbeam tube system. ... www.astronomy.net . ... dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... Hidden Hollow 2008 . ... 720 OH-97 W . ... Our Location, Maps, . ... Warren Rupp Observatory, the site of Hidden Hollow 2008 Star Party, is located in Hidden Hollow Camp. The camp is in the scenic Possum Run Road area away from traveled roads. ... FROM NORTH: Take I-71 S. Take the OH-13 exit- EXIT 169- toward BELLVILLE / MANSFIELD. Turn LEFT onto OH-13 S. Turn LEFT onto POSSUM RUN RD. ... Turn RIGHT onto OH-97. Turn LEFT onto MAIN ST / OH-13 / OH-97. ... Turn RIGHT onto POSSUM RUN RD. ...

Spacecraft ephemeris , or more generally, location of an observer, given as a function of time. ... The ephemeris data for spacecraft and target bodies are normally combined in a single file called the SPICE SPK file. ... Attitude data is contained in the SPICE CK file. ... Several miscellaneous kernel files - spacecraft clock (SPICE SCLK file) and leapseconds (SPICE LSK file) - are also part of SPICE; these are used in converting time tags between various time measurement systems. ...

ATMoB Awards Program - Messier Marathon Worksheet Observer: Date: Instrument(s) Used: Location: Messier Observing Catalog/Worksheet Observing Order 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 Messier Number M 77 M 74 M 33 M 31 M 32 M110 M 52 M103 M 76 M 34 M 45 M 79 M 42 M 43 M 78 M1 M 35 M 37 M 36 M 38 M 41 M 93 M 47 M 46 M 50 ...

Next: The Focal Plane Instruments Up: No Title Previous: The X-ray Optics . CXO has two focal plane instruments - the High-Resolution Camera (HRC) and the Advanced CCD Imaging Spectrometer (ACIS). Each of these instruments, in turn, has two detectors, one optimized for direct imaging of x rays that pass through the optics and the other optimized for imaging x rays that are dispersed by the objective transmission gratings when the latter are commanded into place directly behind the HRMA. ...

... At Keck we use the graphical tool sky to plan observations and to control the telescope. ... The user controls the telescope by clicking on stars and an overlayed view of the instrument detectors. ... To point the telescope, the sky user selects a pointing origin with the mouse and then drags and rotates the instrument field until the desired orientation appears on the display. ... To point the telescope, the sky user specifies two points: a sky location and a detector location . ...

The sections <Directory> , <Location> and <Files> can contain directives which only apply to specified directories, URLs or files respectively. Also htaccess files can be used inside a directory to apply directives to that directory. ... The order of merging is: . ... If multiple <Directory> sections apply to the same directory they are processed in the configuration file order. ... Using the options in question is only possible inside a <Directory> section (or a .htaccess file). ...

SAO is Russia's main centre for ground-based space research. ... The basic instruments of the Observatory are the optical telescope BTA (Big Alt-azimuth Telescope) with a main mirror diameter of 6 m and the radio telescope RATAN-600 with the antenna diameter 600 m. Study of the Universe as a whole, analysis of non-stationary energy release in galactic and extragalactic objects of various types, investigation of evolution and chemical composition of our Galaxy and the nature of solar activity. ...

... Space flight . Crew training . ... honing the skills of performing the tasks of operating the orbital (suborbital) spaceship in a normal autonomous flight and in case of occurrence of off-optimum situations; . ... preparing for conducting visual observations, photographing and video filming envisaged by the flight program; . ... preparing the astronaut's body to the effect of space flight factors, honing the skills of operating the spaceborne medical facilities, rendering self and mutual aid; . ...

... Telescopes . ... The spectrograph is installed in the Nasmyth focus of the BTA telescope, the equivalent focal length is 186 m (F/31). ... The preslit device unit is marked by number 3. ... Fig. ... slit unit of the MSS, 4.1 ? ... The spectrograph slit unit consists of a mirror that redirects the light beam from the Z axis and from the calibration path at an angle of 65њ to the axis of the telescope focus into the slit, the order separation filter, the block of the slit and the shutter (Item 4 in...

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... Antenna system . ... The Irkutsk incoherent scatter radar is one of the world's nine active radars which give the opportunity to investigate ionosphere by the incoherent scatter method. ... Antenna gain coefficient . ... Antenna . ... Two antennas . ... To get an idea what station "Dnepr" antenna system looks like, let us consider some of the radar views which are given by the photographs General view and Side view . ...

AIA ARGENTINE ISLANDS OBSERVATORY INFORMATION 2004 ACKNOWLEDGEM: Users of the AIA-data should acknowledge: National Antarctic Scientific Center (Ministry of Education and Science of Ukraine) STATION ID : AIA LOCATION : West Antarctica, Antarctic peninsula ORGANIZATION: National Antarctic Scientific Center (Ministry of Education and Science of Ukraine) WEB-ADDRESS : www.uac.gov.ua LATITUDE : -65.25 Deg. ... Since 1980 Fluxgate EDA magnetometer have been used for the digital record. ...

Cosmic Ray laboratory of . ... Neutron Monitor (Cosmic Ray Observations) . is situated in Irkutsk (Russia) . ... Height - location above sea level . ... Height: . ... For recording the CR (Cosmic Rays) neutron component at Irkutsk, . neutron monitor NM-64 is used, which is an installation with 18 two-meter proportional counters filled with BF 3 (boron trifluoride gas) in which the B 10 90 per cent of the total boron. ... The neutron monitor is located at 475m above sea level. ...

. Unix commands are executable binary files located in directories with the name bin (for binary). Many of the commands that you use are located in the directory /usr/bin . When you enter the name of a command the shell checks to see if it is a built-in command. If it is not, it looks for the the binary file that the command name refers to in each of the directories that are defined in the PATH environment variable . more ...

INFRARED FOURIER-SPECTROMETER SICH-F . ... Instrument work regimes: 1) Inside. 2) Calibration at inside standard sources 2 - 4 times per a rotation. 3) Calibration at "free space" 2 - 4 times per a rotation. 4) Infrared radiation measuring 10 - 40 min. per a rotation. ... Spectrometer consists of the photodetector block and the block of signal processing and control. ... Diagnostic information and attach data will transfer by state telemetric channels. ... Detector temperature. ...

... Radiation mechanisms of astrophysical objects: classics today . ... Saint-Petersburg is the 2n d largest city in Russia located on the Neva River at the head of the Gulf of Finland on the Baltic Sea. Founded in 1703 by Tsar Peter the Great Saint Petersburg was the imperial capital of Russia until 1918. The meeting will be held in the Conference Hall of historical building of the Saint-Petersburg State University - Twelve Collegia. ... Conference program . ... Conference location . ...

Our School Observatory: . N56.2/E94.6 deg. and ~200m above sea level) . Our small observatory is located near Zelenogorsk (Siberia), in 170 kms to east from Krasnoyarsk - our regional main city. It includes a tower with a rotary dome (D=3.5m) on a roof of one of buildings. ... Our basic instrument is homemade D=150mm & F=695mm Newtonian reflector. Despite of its small size, we have learned to receive rather detailed views of heavens. ... HOME (Eng) | HOME (Rus) ...