... Basic Observables: Zero-differenced phase and code ionosphere-free combinations of global GNSS network stations, corrected by P1-C1 satellite code biases (cc2noncc), daily observations with 30 seconds sampling rate Sites coordinates : IGb08 reference frame coordinates and velocities Displacements: solid tides, ocean loading, pole tide loading (IERS 2010) Geometric model : Receivers antennas eccentricities, absolute receiver and ...

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• The Canadian S2 Correlator - Principles of Radio Interferometry

... 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 . ...

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• VISTA - Images of Camera

... Imaging of the core of the OMC-1 region using NICMOS camera 2 through the F212N and F215N filters shows a wide variety of interesting structure on scales of 0.2" at a very high dynamic range (Stolovy et al. ... The application of image restoration techniques, including multi-channel variants of the Richardson-Lucy technique, offers the chance to enhance structure on the finest scales and also to suppress the prominent and richly structured point-spread functions of the many bright stars in the...

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• ST-ECF Grism Spectrum Software for NICMOS Grism Data
• Space Telescope-European Coordinating Facility
• The STScI NICMOS Calibration Pipeline

. unfiltered . GGM02C model . PC 1 . PC 2+3 . PC 2 . PC 3 . PC 4 . PC 5 . Sum of nine first PCs 2-10 . Difference between the initial signal and ten first PCs 1-10 . PC 1 . PC 2+3 . PC 2 . PC 3 . PC 4 . PC 5 . Sum of nine first PCs 2-10 . Difference between the initial signal and ten first PCs 1-10 . PC 1 . PC 2+3 . PC 2 . PC 3 . PC 4 . PC 5 . Sum of nine first PCs 2-10 . Difference between the initial signal and ten first PCs 1-10 .

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• Fulbright scholar Leonid Zotov
• Leonid Zotov

Reference clock support maintains the fiction that the clock is actually an ordinary peer in the NTP tradition, but operating at a synthetic stratum of zero. ... The main interface used by these routines is the refclockproc structure, which contains for most drivers the decimal equivalents of the year, day, month, hour, second and millisecond/microsecond decoded from the ASCII timecode. ... In addition, there may be a driver-specific unit structure used for local control of the device. ...

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• APOD: 2015 April 29 - Comet Churyumov Gerasimenko in Crescent
• Hands On; Lighting Effects1
• Configuration Options

... Comet Churyumov Gerasimenko in Crescent . ... Credit Copyright: ESA , Rosetta , NAVCAM; processing by Giuseppe Conzo Explanation: What's happening to Comet 67P/ChuryumovGerasimenko? As the 3-km wide comet moves closer to the Sun, heat causes the nucleus to expel gas and dust . ... Comet 67P , shown in a crescent phase in false color, should increase its evaporation rate as it nears its closest approach to the Sun in 2015 August, when it reaches a Sun distance just a bit further out than the Earth. ...

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• XWare > APOD

adapted from Observe: Eclipses, published in 1979 by the Astronomical League and "Safe Solar Filters," by B. Ralph Chou, Sky and Telescope, August 1981) . ... Tape TWO pieces of film together into a sandwich, and tape this over the opening in the cardboard. ... The cardboard frame will act as a shade from the bright Sun, while you safely observe through the film sandwich. ... Undeveloped film is not safe. ... tape . ... At the end of one of the tubes, tape the aluminum foil, and make a tiny pinhole. ...

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• ASP: Making Your Own Astronomical Camera
• ASP: To Every Season There is a Reason
• ASP: Making a Rainbow

... On copy progress box, use HH:MM:SS format for elapsed time and ETA when over 1 hour. Syncronize: Don't allow column headings in operation list confirmation dialog to overflow available space when dealing with long directory paths. Fix Time/BPS/ETA display for Syncronize copying. Fix Ctrl-Shift-T. - Allow field history drop down lists to be wider than their fields if they contain longer entries. ... Synchronize: Fix handling of errors during the processing of synchronize operations. ...

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• Backward and Forward compatibility
• Feature enhancement: filtering and denoising
• Pacific-Sierra

M obile A stronomical Sy stem of TE lescope- R obots MASTER-II Kislovodsk Lomonosov Moscow State University, Sternberg Astronomical Institute , Moscow Union "Optic" , Kislovodsk Solar Station Latitude = 43 o  44'.767 N; Longitude = 42 o  31'.417 E; Altitude = 2067 m MASTER II (8 square degress) + MASTER VWF(Very Wide Field Cameras (FOV=800 square degrees, Time resolution up to 150 ms, with unfiltered m_lim=14m on 5 sec. exposure, and ~10.5m with 0.15 sec) . ... 11h 38m 38.0s , -09d 59m 59s) . ...

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... Segmentation of the solar radioimages . ... To find out faint contrast formations in distributions of radiobrightness of the solar corona, received at wavelength 5.2 sm on the Siberian solar radio telescope (SSRT), we develop algorithm on the basis of updating the Wiener-Tikhonov's filter with operated parameters and the high-frequency contrasting filter. ... The corresponding software is developed for processing radioimages of the Sun by this method of recognition of faint contrast formations. ...

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• Keywords_213
• Keywords_135
• Keywords_139

PRO cleandata , model = model ;; removes spikes from data, replaced with continuum ;; use: cleandata ;; cleandata ,/ model ; COMMON fileblock COMMON fitsblock COMMON procblock ; Define processed spectra specf = spec specr = spec ; Compute mean spectrum specm = fltarr(nwave) FOR iw = 0,nwave-1 DO specm (iw) = mean ( ...

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• Gary, Callum and Peter: `Stars' of the Future
• Using a swap space
• NeditPage2

... Parameters . Filters . ... Direct images . ... The SCORPIO-2 project: . Spectral Camera with Optical Reducer for Photometric and Interferometric Observations - 2 . The broad-band glass filters made in SAO RAS are used for the observation in the Johnson-Cousins (UBVRI) photometric system in the direct images mode. The glass filters transmission curves are shown by solid line. ... The filters transmission curves of the `comets' filters measured with the SCORPIO-2 in the F/4 beam. ...

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• IPC:Interrupts and Signals: <signal.h>
• LWN: Driver porting: miscellaneous changes
• Experiment COLD: Data Reduction Methods Used in Experiment Cold

Winer Observatory P.O. Box 797, Sonoita, Arizona 85637-0797, USA . ... 2/3-m Telescope . ... Site . ... Commanding . ... In a typical robotic observing scenario, each afternoon, a telescope control computer obtains a set of objects to observe from its home institution from a command or script file. ... The file is then transferred to the telescope control computer at the Winer Observatory in Sonoita. ... The Iowa control computer then begins processing the telrun.sls file. ... 2013 Winer Observatory. ...

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Nova 1998 2 in M31 this image of the second Nova in M31 in 1998, was made from 38 exposures of 45 seconds integration time. It was made at September 21, 22h 20m UT. Telescope was a CG11 at f/6.3, no filters were used. The long list of processing steps caused the artefacts at the overexposed center of the galaxy and in many of the brighter stars. During the exposures thin clouds covered the sky but the CCD cuts through them, allowing me to obtain this result. ...

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• Bright Supernova - Archives

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . Colin Johnston . ... Space Flight . Human Exploration . Robot Exploration . ... Science Fiction . ... Thanks to extensive training and consummate professionalism, the two astronauts successfully and without a fuss fixed the problem . ... Article by Colin Johnston, Science Communicator) . ... Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...

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• A Spectacular View of the Lagoon Nebula | Astronotes
• Stargazing in June | Astronotes

The idea of component-oriented programming is that in the course of implementation of various software projects a programmer (or a programmers team) accumulates a library of reused software fragments that are used in different projects. ... To solve such problems there are some special syntax means in Actor Prolog that support component-oriented programming. ... A package in Actor Prolog is a set of classes linked by implication. ... Actor Prolog supports visual component-oriented programming. ...

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• Getting Started in Actor Prolog. 3D Web Site.
• Getting Started in Actor Prolog. Analyzing Web Sites.
• Signal Processing and Telecommunications

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... The Magnetic Sun . ... Galileo had guessed they were clouds floating in the Sun's atmosphere, obscuring some of its light. ... It turned out that the Sun has a polar field somewhat like the Earth's, but that it reverses its polarity during each 11-year cycle. ... Sunspot fields were evidently produced by electric currents, and it was well known that such currents could be generated by a " dynamo process ," by the motion of an electric conductor (e.g. the flow of solar plasma) through a magnetic...

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• The Dynamo Process
• Oertsted and Ampere
• One of Gilbert's Experiments

. [Skip navigation] . University of Cambridge . Cavendish Astrophysics . Optical Interferometry . OptInt Sitemap . Publications . This page has moved. If your browser doesn't automatically redirect to its new location within a few seconds, click here . The Cavendish optical interferometry web pages are maintained by John Young <jsy1001 (at) cam.ac.uk> . Last modified: Fri Jan 11 12:35:28 GMT 2008

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• OptInt PmWiki : MROIDelayLineSW / VME
• OptInt PmWiki : Edit Variables
• OptInt PmWiki : PmWiki / Edit Variables

XEphem Forum Message . Forums: . ... Post . ... Filter Based On Catalogs? ... Post Message | ... Posted by Rob Knop on December 27, 2000 17:52:25 UTC . ... Re: Filter based on catalogs? - ecdowney - December 27, 2000 - 18:54 UTC . Re: Re: Filter based on catalogs? - rknop - December 27, 2000 - 20:53 UTC . ... www.astronomy.net . About Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• Discussion Of XEphem Moved - an Astronomy Net XEphem Forum Message
• Day Star Filters, AstroGuide Listing
• Schuler Astro-Imaging Filters, AstroGuide Listing