... Current APO Weather . ... Search Site . ... Information for New Users . ... Technical Staff pages . Night Logs and Mailing Lists (maintained by APO) . ... Technical Documents and Database Search . ... Observer's Documentation and Procedures . ... Problem Reporting and APO Technical Documents Database Search . ... APO Drawing/Document Management Procedures . ... APO Technical Documents Database Search . Home Astrophysical Research Consortium . ... Mail Lists (maintained by APO) . ...

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• Rotation range
• Engineering Papers

... I would several points which we faced during our everysolved for better quality of individual ACs' and EOP products · There are two main EOP products provided by two IERS Product Centers on Earth Orientation (Earth Orientation Center (EOC) and Rapid Service/ Prediction Center (RSPC)). ... However, the latter is not provided by the IERS. ... ITRF · Using ITRF in computation of EOP series produced by various ACs seems to be a necessary condition to provide the consistency between the IERS products. ...

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• http://www.gao.spb.ru/english/as/j2014/presentations/vavilov.pdf

Updated July 2, 1998 (NIC3 coordinates changed to match position of test image -- please contact the undersigned for details if you plan supporting obsevations of this field). The Hubble Deep Field South WFPC2 (apex) pointing is located at: 22h 32m 56.22s -60d 33' 02.69" J2000 Equinox with PA_V3=230.5D which corresponds to U3 ORIENT=50.5D STIS will point at: 22h 33m 37.67s -60d 33' 28.95" J2000 Equinox NICMOS (NIC3) will point at: 22h 32m 51.75s -60d 38' 48.20" J2000 Equinox . ...

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• Pointing the Telescope
• Chapter 6: Parallel Science Exposures
• Mode = ACQ/PEAKDConfig = COS/FUV

... Apache HTTP Server Version 2.2 . Apache > HTTP Server > Documentation > Version 2.2 . ... This document discusses some of the technical details of mod_rewrite and URL matching. Internal Processing . API Phases . Ruleset Processing . ... So, after a request comes in and Apache has determined the corresponding server (or virtual server) the rewriting engine starts processing of all mod_rewrite directives from the per-server configuration in the URL-to-filename phase. ...

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• The Mouse Pointer
• Geometric Corrections
• Helpful Hints

... Class . ... SUMMARY: NESTED | FIELD | ... METHOD . DETAIL: FIELD | ... java.lang.Object ij.process.FloatPolygon . public class FloatPolygon . ... Used by the Roi classes to return float coordinate arrays and to determine if a point is inside or outside of spline fitted selections. ... float[] . ... Field Detail public int npoints . ... Constructor Detail public FloatPolygon (float[] xpoints, float[] ypoints, int npoints) . ... Method Detail public boolean contains (float x, float y) . ...

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• PointRoi (ImageJ API)
• MaximumFinder (ImageJ API)
• Wand (ImageJ API)

... VLAPEAK is used to control reference pointing on the VLA. ... SCHED will create appropriate INTENTs for the VLA scans based on the value of VLAPEAK . ... DETERMINE' indicates that the reference pointing corrections should be determined starting from no offsets. This sets INTENT = VLA:REFERENCE_POINTING_DETERMINE . ... This sets INTENT = VLA:REFERENCE_POINTING_APPLY . ADJUST' indicates that reference pointing corrections should be determined starting with the previously determined values. ...

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• Astrometry syllabus points
• WCSLIB: celprm Struct Reference
• WCSLIB: tabprm Struct Reference

2014 May version . ... Green D. A., 2014 , Bulletin of the Astronomical Society of India, 42 , 47-58. ( .pdf , or arXiv.org:1409.0637 ) If you make use of the detailed version of the catalogue, then plaese also cite: . Green D. A., 2014, `A Catalogue of Galactic Supernova Remnants (2014 May version)' , Cavendish Laboratory, Cambridge, United Kingdom (available at "http://www.mrao.cam.ac.uk/surveys/snrs/" ). ... Copyright D. A. Green 2014. 25872nd access to this version of the catalogue. ...

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• ALMA Bojan Nikolic web pages (r. 329)
• Astrophysics Group COAST Technical Details
• G332.4-0.4

Stellarium 0.12.3 . ... StelCircleArcRenderer Class Reference . Provides functions to draw circle arcs using StelRenderer . ... drawGreatCircleArc (const Vec3d &start, const Vec3d &stop, const SphericalCap *clippingCap=NULL, void(*viewportEdgeIntersectCallback)(const Vec3d &screenPos, const Vec3d &direction, void *userData)=NULL, void *userData=NULL) . ... Create a circle arc renderer to draw multiple circle arcs . ... void(*)(const Vec3d &screenPos, const Vec3d &direction, void *userData)љ . ...

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• Stellarium: SphericalRegionP Class Reference
• Stellarium: SphereParams Struct Reference
• Stellarium: SphericalPoint Class Reference

Lord Carrington determined the solar rotation rate by watching low-latitude sunspots back in the 1850s. He defined a fixed solar coordinate system that rotates in a sidereal frame every 25.38 days. ... Carrington coordinates are heliographic and measured in latitude and longitude in that rotating frame. Carrington Time is the rotation and longitude of the point on the Sun that is at the sub-terrestrial point. ... Bartels defined his calendar based on observations of daily geomagnetic activity. ...

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• Current Solar Wind Conditions

... Directives | ... Apache HTTP Server Version 2.4 . Apache > HTTP Server > Documentation > Version 2.4 > Rewrite . ... This document discusses some of the technical details of mod_rewrite and URL matching. ... Then the URL rewriting engine is started with the contained ruleset (one or more rules together with their conditions). ... If the Pattern matches, mod_rewrite looks for corresponding rule conditions (RewriteCond directives, appearing immediately above the RewriteRule in the configuration). ...

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• Venus - Galileo
• FIRPO Zero Points

Organisers: Michel Balazard (CNRS, Laboratoire Poncelet) , Michael Tsfasman (CNRS, Laboratoire Poncelet, Institute for Information Transmission Problems) , Alexey Zykin (Laboratoire Poncelet, State University Higher School of Economics) . ... General Information . ... Number theory semester web page . ... Let A be an abelian surface over a finite field k. The k-isogeny class of A is uniquely determined by a Weil polynomial f_A of degree 4. ... Poncelet Laboratory web page . ...

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• Conference "Global Fields"

... The Round Earth . ... Aristarchus around 270 BC derived the Moon's distance from the duration of a lunar eclipse (Hipparchus later found an independent method). ... Let R be the radius of that circle and T the time it takes the Moon to go around once, about one month. ... Viewed from Earth, a "new Moon" (occuring between the time a thin crescent is last seen before sunrise and the time one is seen shortly after sunset) happens when the Moon in its apparent motion around the sky overtakes the Sun. ...

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• INTERBALL IB_TAIL landing point coordinates
• Coordinates of the magnetic obsevatory polygons
• About modification of the INTERBALL orbital elements

The points proposed to be analogous to ones for the 4 th , 5 th , 6 th , 7 th , 8 th , 9 th and 10 th Asian-Pacific Astronomy Olympiads . ... National Astronomy Olympic Committees and interested organizations are welcome to ask more about the 11 th APAO and in 2015 may form the teams for the 20 th IAO as well as for the 11 th APAO. ... The Olympiad will be held on November 13-22, 2015. Dr. Michael G. Gavrilov, Founding Chairman and Coordinator of the Asian-Pacific Astronomy Olympiad (APAO) . ...

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• MgB2 Safety Data Sheet
• III International Astronomy Olympiad, Problems to solve
• GaS Safety Data Sheet

... Главная страница / Кометы и астероиды / "Нас не догонишь". Комета 217P/LINEAR, M42, M43, Бегущий Человек и пролетающие спутники. ... M42 , M43 , БегущийЧеловек , 217P/LINEAR . ... Комета C/2009 R1 (McNaught) . ... Все права на размещенные в галерее фотографии принадлежат их авторам. ... Киевский клуб любителей астрономии "Астрополис" . Движок галереи: 4images 1.7 ...

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Планета Земля и Луна . ... Космическая защита . Луна . Фотографии . ... Строение Луны . ... Страница: Начало одиссеи , Экспедиции , Море Кризисов , "Аполлон-8" , "Аполлон-9" , "Аполлон-10" , "Аполлон - 11" , E-8 "Луноход" , Испытания Л-1 , Луноход - 1,2 , КА "Луна 1-24" , КА "Луна-9" , Луна от КА СССР ; . Луна - наш космический спутник . ... Снимки Луны от аппаратов серии Луна и Зонд (СССР) . Фотографии космических аппаратов серии "Луна" (также Луноходы) и "Зонд" - СССР . ... Зонд 3 . ...

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Next: HST Paper Products: A New Way to Look at HST Data . ... After providing on-the-fly re-calibration of HST data to archive users, ST-ECF has embarked on a new project aiming at grouping, cosmic ray cleaning and drizzling images taken by most HST instruments. ... The production of the missing jitter files combined with the extraction of additional engineering parameters will greatly enhance the homogeneity and the scientific value of the entire archive. ... 1995, HST Data Handbook, STScI, 107 . ...

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• Discrimination of Point-like Objects in Astronomical Images using Surface
• DIRT: The Dust InfraRed Toolbox
• Star Finding and PSF Determination using Image Restoration

... A detailed study of two consecutive bright points observed simultaneously with CDS, EIT and MDI is presented. The analysis of the evolution of the photospheric magnetic features and their coronal counterpart shows that there is a linear dependence between the EIT Fe XII 195? flux and the total magnetic flux of the photospheric bipolarity. ... In a follow-up study, we used wide slit (90arcsec240arcsec) movies of four EIT coronal bright points (BPs) obtained with CDS. ...

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• Observations and Data Reduction
• accesskey List
• Showing and setting time

. Next: ROSAT and EINSTEIN Calibration Up: Point Response Functions Previous: Point Response Functions . Mathematical determinations of some PRFs can be found by typing: . xr> help prf . This in turn refers to several detailed help files for specific instruments. For an example of constructing an analytical model PRF for ROSAT . rsdc@cfa.harvard.edu . 1998-06-10

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• Chandra Images for SNR J0526.0-6604
• The AstroStat Slog Blog Archive Change Point Problem
• HEAD 2010: Chandra's Ultimate Angular Resolution

Next: Available Receivers Up: The Arecibo Observatory and Previous: The Arecibo Observatory and . The main reflector of the telescope is a , 305 m (1000 ft) in diameter and 51 m (167 ft) deep. ... The system housed in the Gregorian dome provides continuous frequency coverage from 300 MHz to 10 GHz using a pair of shaped (secondary and tertiary) subreflectors, plus standard point feeds and receivers. ... Consecutive use of multiple receivers during an observing run is straightforward. ...

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• Details of Rotang
• pointing
• The Details

... Telescopes . ... The LX850 combines innovative concepts like StarlockтДв fulltime automatic guiding and high-precision pointing, f/8 ACF OTAs with internal Crayford-style two-speed focuser and a portable precision German equatorial mount. ... Superb optical performance coupled with time proven computerized pointing and tracking has made the LX200 ACF series a best-seller in the high-performance telescope class. ... Meade Green Laser Pointer- a great item for star parties and backyard astronomy. ...

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• Meade Green Laser Pointer #608002 - Accessories - Products
• Meade Green Laser Pointer #608002 - General Accessories - Accessories -...
• Meade Variable Projection Camera Adapter (1.25")