Next: SAOTk: Tcl/Tk Widgets for Imaging and Data Visualization . ... Xguiphot is a new GUI driven interactive aperture photometry tool being developed to run under the IRAF environment. Xguiphot as a new aperture photometry tool being developed to run under the IRAF environment. ... On task startup Xguiphot requests a list of images, a list of objects files, a list of output files, initial values for the algorithm parameters, and the name of the GUI definition file. ...

... 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); . ...

You can use the echo command to display the value of an environment variable. ... This displays the value of the environment variable PATH. ... The $ sign is a shell metacharacter that uses the value of the variable instead of its name. ... For the Bourne shell use the command set to display the value of environment variables. For the C and TC shell use the command printenv or env to display the value of environment variables and the command set to display the value of local shell variables. ...

... 2002 May 10 . Trailing Planets . ... Explanation: Positioning his camera and tripod on planet Earth, near Maricopa, Arizona, USA, astrophotographer Joe Orman created this trailing display of the ongoing sky-full-of-planets on May 3rd. ... Mercury starts the evening closest to the horizon - visible here above the wide bright trail left by Venus - and in the coming days Mercury will be the first to leave the evening sky entirely as it moves closer to the setting Sun. ... About APOD | ...

... Gallery . ... The Deputy Prime Minister displays his sculptтАж . Sidebar Left . Sidebar Top . No Sidebar . Sidebar Bottom . Sidebar Right . ... Title: The Deputy Prime Minister displays his sculpture to the authors . Description: Image: Vince Ford . ... The Deputy Prime Minister displays his sculpture to the authors Image: Vince Ford . Powered by Gallery 3.0.9 (Chartres) . ...

... 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) ...

Software Forum Message . Forums: . ... God and Science ћ SETI ћ Software ћ UFO ћ XEphem . ... Discussion Forums | Astronomy Software Discussion | ... Starry Night Pro 5 Display Problems . Forum List | ... Starry night problem - danhed - October 14, 2005 - 10:14 UTC . ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... Tonight's Sky . ... The Magazine . ... Observing . ... 50 Greatest Mysteries . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Mercury's great display before dawn . ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine . ...