... The plots show the az,za and ra,dec positions of the telescope during the test (.ps) ( .pdf ): . Page 1: az,za positions during the test . ... A datafile is also included for each day giving the measured ao positions for each day (utcSec, ra,dec of date). 16aug09 plots of telescope postion(.ps) ( .pdf ). Datafile of telescope position . ... cal on/off samples averaged to 1 seconds (.ps) ( .pdf ) . ... The first set of plots shows the cal on/off samples averaged to 1 seconds (.ps) ( .pdf ): . ...

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• T2874 meteors on moon.
• vxWorksPrograms
• pointing

There are six possible ways of object description: . a) by number(s) . ... d) by list . e) by orbital elements . ... They should be introduced as year, month, day with tenth (e.g. 20021104.1). d) Computations are performed for all objects listed in the file whose path and name should be introduced into assigned data field. ... On pressing Edit file button user has a possibility to look through the list of object elements or their coordinates and velocities to add or to change it. ...

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• NAA 2005-2006 (preface)
• NAA 2009-2010 (preface)
• NAA 2015-2016 (preface)

... 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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• TUI:Tidbits:Entering Sexagesimal Positions
• Astrophysical Research Consortium - Apache Point Observatory
• TUI:Telescope:Slew Window

Program: GETVAL Purpose: Get image values at given positions in a set Category: UTILITY File: getval.c Author: M.G.R. Vogelaar Keywords: INSET= Give set (,subset): Maximum number of subsets is 1. ... The image values are formatted according the string entered in FORMAT= APPEND= Ok to append? ... The flag characters and their meanings are: - The result of the conversion is left- justified within the field. ... If the result of a conversion is longer than the field width, an asterisk is returned. ...

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• WCSLIB: sph.h File Reference
• The Local Volume HI Survey (LVHIS)
• Satellite Tracking

These observations are aimed at fully charactering FORS1 photometric system (UBVRI zero-points, color-terms and extinction coefficients) for the Tektronix 2048x2048 pixel CCD (24?m px) . To this aim, the two Landolt/Stetson photometric fields SA95 and SA101 will be observed on a number of epochs and at different airmasses during February and March 2007. ... SA101 . ... OBs for SA101 have to be observed during evenigh twilight (exceptions are expected for the second half of March) . ...

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• POLIMPLOT (V2.00) --- November00 --- POLIMPLOT (V2.00)

... With enough velocity, a spacecraft can break loose from the Earth's gravity and enter an orbit around the Sun, like that of a planet. If it then orbits the Sun with the same period as the Earth--one year--it may keep a fixed position relative to Earth. ... If the distance is just right--about 4 times the distance to the Moon or 1/100 the distance to the Sun--the spacecraft, too, will need just one year to go around the Sun, and will keep its position between the Sun and the Earth. ...

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• DIGITAL WDC EXCHANGE FORMAT FOR OBSERVATORY 1.0 MINUTE VALUES
• The Moon's Distance--Another Way
• Kepler and His Laws

... Abstract This routine locates the point on the surface of an ellipsoid that is nearest to a specified position. ... Brief_I/O VARIABLE I/O DESCRIPTION -------- --- -------------------------------------------------- positn I Position of a point in bodyfixed frame. a I Length of semi-axis parallel to x-axis. b I Length of semi-axis parallel to y-axis. c I Length on semi-axis parallel to z-axis. npoint O Point on the ellipsoid closest to positn. alt O Altitude of positn above the ellipsoid. ...

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• Introduction to Patterns
• Observation Opportunities During Leonid Shower
• COS Instrument Handbook

WDC-A Digital Exchange Format for One-Minute Geomagnetic Data (Update August 1993) 1. The logical record length is 400 coded characters containing header information, blank spaces, and data for one element for one hour. ... Each logical record contains header information and data in the following format: North polar distance, longitude, year, month, day, hour, element, observatory code, blank spaces, 60 data values, and an hourly mean. ... ORG is the origin of the data. A = Alaska Chain. ...

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• http://www.wdcb.ru/stp/data/geomagni.ind/kp_ap/apstar/apindex.fmt
• http://www.wdcb.ru/stp/data/geo_hour.val/Readme.txt

... With enough velocity, a spacecraft can break loose from the Earth's gravity and enter an orbit around the Sun, like that of a planet. If it then orbits the Sun with the same period as the Earth--one year--it may keep a fixed position relative to Earth. ... If the distance is just right--about 4 times the distance to the Moon or 1/100 the distance to the Sun--the spacecraft, too, will need just one year to go around the Sun, and will keep its position between the Sun and the Earth. ...

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• Estimating the Moon's Distance
• Latitude and Longitude
• INTERBALL IB_TAIL Last day of flight orbit trace

... Explanations. Each row contains at 0h of Time Dynamical Terrestrial: month, day, apparent right ascension (hours, minutes, seconds), apparent declination (degrees, minutes, seconds), hour difference of declination (seconds), apparent radius (minutes, seconds), equation of time (hours, minutes, seconds), hour difference of equation of time (seconds), time of upper culmination of Sun (hours, minutes, seconds), change in moment of upper culmination when longitude changes on 1 hour to west (seconds). ...

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• Lunar equatorial positions. Explanations for Computer Ephemeris.
• Lunar phases. Explanations for Computer Ephemeris.

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Moon . ... Space Flight . ... Science Fiction . UFOs and Fringe Science . Monthly Sky Notes . ... NASA's Cassini spacecraft obtained this image of Saturn's moon Helene on June 18, 2011. Image credit: NASA/JPL-Caltech/Space Science Institute) . ... Your email address will not be published. ... Email * . ... Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...

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• Leonid meteors 2011 | Astronotes

... Credit Copyright: Anthony Ayiomamitis Explanation: Tonight, those blessed with clear skies can enjoy a glorious Full Moon , (exact full phase at 0452 UT, October 26). ... On April 3, the Full Moon was within hours of apogee, the farthest point in the lunar orbit , corresponding to the smallest Full Moon of 2007. The difference in apparent size between the largest and smallest Full Moon is quite dramatic and similar to this side by side comparison of the lunar apogee/perigee apparitions from 2006. ...

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• Астронет > Apogee Moon, Perigee Moon
• Super Moon vs Micro Moon
• Micro Moon over Super Moon

Radio data are displayed in the following format: . After the title with name of cluster under examination and with line about kind of data under one, e.g. Radio data [ optical data ] [ radio source identifications ] [ radio spectra (1.0 or 1.1) ] . ... The first line contains the number of radio sources associated with the cluster (these are just those sources with entries in sections 'Radio galaxy', 'Radio source' and 'Radio spectrum' below). ... Radio sources in cluster: 2 # . ...

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• worldCoords(3)
• WorldCoords(3)
• Culgoora catalog

... This program was created for correlating chosen regions in the series of fts images. ... Chosen regions' . ... In this section the program counts the integral for each region of the grid for each image. ... As a matter of fact, the integral is total brightness of the region and it is counted by 'int_tabulated' IDL function. ... In addition, the program will show the count of the regions which correlate with the corresponding region (the brighter region means the bigger count) and its contour. ...

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. XMM-Newton Science Analysis System . arfgen (arfgen-1.75.6) [???] . Meta Index / Home Page / Usage and Examples . Here is another example with an explicit source position - (1000,-1000) in DET coordinates - specified: . arfgen spectrumset=spectrum.pha . withsourcepos=true sourcecoords=det sourcex=1000 sourcey=-1000 . See also 7.4 for details of why the task needs the source position, and how to change it. XMM-Newton SOC/SSC -- 2008-10-22

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• Extraction and correction of an X-ray light curve for a point-like source
• Conversion to DET coordinates

If the image header contains World Coordinate System information, SAOtng will display WCS positions as the mouse is moved across the image. The format for the display is controlled by the Coords Menu (or using the right mouse button on the screen WCS display). ... WCS information is displayed on the lower part of the image. ... The coordinates are returned in the current format, (e.g. if your image supports WCS information, you can get RA/Dec output). ...

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• Spatial Region Coordinates
• *skypix* -- conversion of pixel position to sky coordinates
• Select a circle around the central point source

... 2007 October 25 . Apogee Moon, Perigee Moon . ... Explanation: Tonight, those blessed with clear skies can enjoy a glorious Full Moon , (exact full phase at 0452 UT, October 26). In fact, the Moon will reach its full phase within a few hours of perigee , the closest point in its elliptical orbit , making it the largest Full Moon of 2007. On April 3, the Full Moon was within hours of apogee, the farthest point in the lunar orbit , corresponding to the smallest Full Moon of 2007. ...

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• APOD: 2012 November 29 - Super Moon vs Micro Moon
• APOD: 2014 April 18 - Red Moon, Green Beam
• APOD: 2015 March 20 - Sunshine, Earthshine

Stellarium 0.12.3 . ... Classes . ... Quasar Class Reference . ... Quasar (const QVariantMap &map) . ... Get a QVariantMap which describes the Quasar . ... getSelectPriority (const StelCore *core) const . ... getInfoString (const StelCore *core, const InfoStringGroup &flags) const . ... getVMagnitude (const StelCore *core, bool withExtinction=false) const . ... getAngularSize (const StelCore *core) const . ... getPositionInfoString (const StelCore *core, const InfoStringGroup &flags) const . ...

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• Stellarium: Supernova Class Reference
• Stellarium: Exoplanet Class Reference
• Stellarium: Pulsar Class Reference

You Can Make Stellar Images Brighter . Articles | ... A few months ago I wrote an article titled "You Can?t Make Them Brighter". So why am I now writing that you can make them brighter. ... The image of a focused star is actually a small disk called the Airy disk, named after the 19 th century scientist Sir George Airy. ... For a given aperture, a smaller Airy disk means that the light is focused to a smaller disk and is therefore brighter. ... www.astronomy.net . About Astronomy Net | ...

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• Geo Astro Java Applets, AstroGuide Listing
• Polar Align Your Telescope, Here's How. - an Astronomy Net Article
• Articles written by astronomers for astronomers of all ages.

... First ask for the controlling parameters} set_string (s1,10) ask_for_string (Maximum step size [days],s1) set_maximum_step(s1) set_string (s1,100) ask_for_string (Maximum number of steps in the search,s1) set_number_of_iterations(s1) set_string (s1,1e-6) ask_for_string (Tolerance,s1) set_tolerance(s1) new_line write_string (Allowed coordinate types are true, apparent, and topocentric) new_line set_string (s1,true) ...

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• http://www.mrao.cam.ac.uk/~pjds/ascript/users/realtime.txt
• http://www.mrao.cam.ac.uk/~pjds/ascript/users/orbits.txt
• Accessing measurement set data Bojan Nikolic web pages (r. 329)