... This can be used to overlay the position of fiducial stars onto an image, for example. Positions can be input manually or from a list. To position marks interactively display the image and then cl> noao no> images im> tv tv> tvmark 1 STDIN interactive+ type . to put dot at cursor position type + to put cross at cursor position type c to put circle at cursor position (must specify hidden parameter ``radii'') <ctrl>d to exit . ...

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• *tvimcontour* - Overlay contours and/or source positions on the display
• Image Display
• World Coordinate System Display

... Intro to HST Data Handbooks 8.0 May 2011 . ... data retrieval . file format . imset,STSDAS tasks for . ... images, general in STSDAS . images,imcalc task . ... spectra, tasks in IRAF . ... waivered FITS files . ... IRAF task I/O . ... IRAF,STSDAS . ... IRAF . ... data formats . ... STSDAS and IRAF tasks 1 , 2 . ... STSDAS tasks for . ... files, HST data . ... original IRAF format . ... basic, in IRAF/STSDAS . ... analysis, IRAF/STSDAS . ... waiverd FITS format . ... waivered FITS format . ...

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• Fine Guidance Sensor Data Handbook
• Screen Layout
• KPNO Infrared JHK composite image of the Hubble Deep Field

Appendix C. Display Device Names . ... A "display device name" is a string description that uniquely identifies a display device; it follows the format "<type>-<number>", for example: "CRT-0", "CRT-1", "DFP-0", or "TV-0". ... Display device names can be used in the MetaMode, HorizSync, and VertRefresh X config options to indicate which display device a setting should be applied to. ... That is why specifying the display device name is preferable. ... Appendix B. X Config Options . ...

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• CIMA Frequently Asked Questions
• Reducing Mock DPS Observations in IDL
• Arecibo Observatory Telescope Schedule Database

As a result of preceding actions the File opening dialog box appears and user is suggested to open the file with observations (the file may be created for the first time). ... To see the list of files with desirable extension in chosen folder define the type of extension with the help of File type drop-down list at the bottom of the dialog box. ... The name of the file will appear in File name dialog box. ... In case you want to open the file with new name, type it in the File name dialog box. ...

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• ENGAMPLE

Set the display of the status bar, tool bar, locator bar, and properties associated with the display of the pointer position in the Locator bar. ... Set fixed point . ... When the fixed point is set, and the display format is (DX, DY), (DIST), or (R, Theta) then give the location relative to the fixed point. ... Set the fixed point to (0.0, 0.0). ... DX, DY] Display the delta in X and Y of the position of the mouse relative to the fixed point, or (0, 0) if no fixed point has been selected. ...

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• http://xray.sai.msu.ru/~polar/xmgr/main.html

Next: Catalog Construction Up: Observations and Analysis Previous: Source Detections . ... It was assumed that the highest signal gives the most likely position of the source. ... Comparing the summed map with the maps from the individual energy ranges, the one which produced the smallest error box was chosen to represent the source position, as long as was greater than 4, a level chosen to reflect a reasonable degree of confidence in the detection. ...

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• echelle
• HYPERLEDA catalogue search-position
• Format files

Program: PLATE Purpose: snips raw data from tape(s) to custom plate Category: IRAS Author: Do Kester File: plate.src Keywords: INSTRUME= give instrument identification [] a combination of observation mode SURVEY SPLINE AO PO FLASH UNKNOWN and band number 12 25 60 100 LRS BPHF 1 2 3 4 ( 2 letters suffice ) PO is an alias for AO; AOs, POs and UNKNOWNs are collectively known as pointed observations. ... Only scan(snip)s which pertain to the same area and instrument can be stored in the same IRDS. ...

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• DISPLAY tasks
• The galaxy IC 2554
• DISPLAY general subroutines

... To plot the data (and model, here xitau.model), I have read the model, computed the model values for the ASTROMETRY, and used Plot|ASTROMETRY to produce the ASTROMETRY plot widget. ... First, plot the data and with Util|Ellipse and the mouse buttons interactively define an apparent ellipse to fit your data as best as you can. ... Under Util|Orbit, there is a Thiele-Innes procedure to estimate the orbital elements using your apparent ellipse and Kepler's laws! ... Back to tour page . ...

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• Astrometry
• Identifications and Efficiency
• Sample Identification

... Circles are used to depict the source positions. ... A optional ID label can also be displayed alongside the circle, corresponding to the row num- ber of that source in the input source list. ... These circles are in fact DS9-type regions, which can be written out to a le for future use (for example, when running a later DS9 session) by setting withregionfile to true, and specifying the desired le name via the regionfile parameter. ... This is a text le containing region descriptions for each source...

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• http://xmm.vilspa.esa.es/sas/8.0.0/doc/srcdisplay.ps.gz
• http://xmm.vilspa.esa.es/sas/6.5.0/doc/srcdisplay.ps.gz
• http://xmm.vilspa.esa.es/sas/7.1.0/doc/srcdisplay.ps.gz

... 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 . ...

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• NICMOSlook and Calnic C: Slitless Spectra Extraction Tools
• POW: A Tcl/Tk Plotting and Image Display Interface Tool for GUIs
• SDImager: An Imaging Tool for Single Dish Observations in AIPS++

... To run the <LAYER> version of the example, select: flower.htm . ... However, if the page had several layers with absolute positions, and you wanted to place another layer in a relative position to one of the existing layers, you could use inline JavaScript to calculate the value for LEFT or TOP . ... In this example, there is really no need to use inline JavaScript to position the last flower layer, since you could just let the TOP value default to its natural value, as in the other flower layers. ...

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• Property index

... IDL procedure to display ; a) a region of spectrum , together with a fit , if supplied, ; b) positions and relative strengths (gf or W_lambda) of lines in ; common atomic spectra may be marked in the lower panel. ; c) lines of sleceted atoms are identified in the top panel ; ; Command arguments: ; specfile - character string - name of file containing spectrum (and fit ) ; assumed to be x,y file with 3- ... Assesses lines in linelist by the strength values "listfr". ...

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• Leonid Dust Trails
• Amazing Astronomy Images on Display in Saint Patrick's Trian
• Amazing Astronomy Images on Display in St Patrick's Trian, Armagh |

... This appendix describes how to use the JavaScript console to evaluate expressions and display error messages to the user. ... Displaying Error Messages with the Console JavaScript 1.2 and earlier versions. ... You can specify whether to automatically open the console when a JavaScript error occurs or to display a dialog box for each JavaScript error. ... To open a dialog box each time an error occurs, add the following line to prefs.js : user_pref("javascript.classic.error_alerts", true); . ...

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• Terms Used to Describe Modules - Apache HTTP Server
• HwB: ASCII Table (Offline)
• Program parameters

Many entry fields permit sexagesimal entry (h:m:s.s or :':"). ... Sexagesimal entry is flexible in that you can specify one to three fields, as you desire. ... Position entry widgets assume that a single field is decimal hours or degrees (h.h or . ... You may specify one to three fields: . ... Note: sexagesimal offsets and durations are entered in the same fashion, but a single field is decimal arc-seconds or seconds ('.' or s.s) and two fields are (arc) minutes and seconds (':"." or m:s.s). ...

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• TUI:TUI Menu
• TUI:Instruments:DIS:DIS window
• TUI:Instruments:NICFPS:NICFPS window

Pulkovo NEO Page . ... NEA Accuracy Estimation . ... The estimation of accuracy of the current CCD observations of asteroids and comets is constantly performed at Pulkovo Observatory. ... The (O-C) values, so called "Observed" minus "Calculated" positions, characterize numerically the observations of any observatory, both professional and amateur, during a short period (one or several close nights). ... So the (O-C) values for these objects nearly entirely define the errors of observations. ...

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... Next, the screen displays "Press 0 to align or Mode for Menu." Press "0" if you wish to begin Automatic alignment (or Easy Align, depending on your telescope model), or press Mode if you wish to choose a manual alignment method ("Automatic Alignment" displays, and you can press MODE to go through the menu to find other alignments). ... Note: If you press the "?" key while "Ctr Brightest Star" displays, the alignment star that AutoStar has chosen will display. ... Alignment successful" displays. ...

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• Meade Instruments Corporation - #497 Autostar Computer Controller for ETX-90EC,

... Activity 3: Measuring the Position of the Sun in the Sky . Purpose: To give students the opportunity to measure the position of the Sun in the sky using simple tools and methods. ... Alternatively, you may have students devise their own methods of relative measurement and apply them to measuring the position of the Sun in the sky. ... Rangi is the sky, and when the Sun is near Rangi's head it is summer in New Zealand. ... Read the Maori story to students. ... back to Teachers' Newsletter Main Page ...

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... Albert Einstein Describes Space and Time . ... NGC 4214: Star Forming Galaxy . ... Galaxies dot the sky like jewels in the direction of a mass so large it is known simply as the Great Attractor. ... During millennium two, humanity continually redefined its concept of "Universe": first as spheres centered on the Earth, in mid-millennium as the Solar System, a few centuries ago as the Galaxy, and within the last century as the matter emanating from the Big Bang. ... The Century that Defined Galaxy . ...

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Astronomy Discussion Forums . ... I Think What You're Saying Is Not A Deeply-considered Position . ... Post Message | ... Posted by M.W.Pearson on October 16, 2002 19:36:09 UTC . ... I think there is more to it than dismissing Dr. Dick's position. ... http://www.astronomy.net/forums/god/messages/23110.shtml . ... 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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• Finding Himalia, The Fifth Brightest Moon Of Jupiter - an Astronomy Net Article
• Geo Astro Java Applets, AstroGuide Listing
• Starry Night Pro 5 Display Problems - an Astronomy Net Software Forum Message

... The dayside auroral precipitation consist of magnetosheath related boundary layer precipitation, and plasma sheet related BPS/CPS precipitation (extensions of the nightside precipitation regions). ... For example, the much lower fluxes from the LLBL region when compared to the cusp are compensated by the bidirectional electron beams found in the LLBL: the precipitating energy fluxes in the LLBL and the cusp are not that different. ... directly through the cusp and plasma mantle . ...

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• The Favourable Spatial Position Criteria
• Discussion of MOC and "Face on Mars"
• Close-up of the Aurora