... Defining New Data Types . Unions . ... Static Variables . ... struct gun { char name[50]; int magazinesize; float calibre; }; struct gun arnies; . ... struct gun { char name[50]; int magazinesize; float calibre; } arnies; . ... typedef struct gun { char name[50]; int magazinesize; float calibre; } agun; agun arnies={"Uzi",30,7}; . ... stat() { int auto_var = 0; static int static_var = 0; printf( ``auto = %d, static = %d n'', auto_var, static_var); ++auto_var; ++static_var; } . ...

Although You can type in source coordinates as You go, it is usually much easier and safer to use a source catalog. ... Note that coordinate type, velocity, velocity frame and velocity type are required parameters for all sources in a catalog. If they are the same for all objects, You can set them up in the beginning of Your source catalog with a DEFAULT line ( only for CIMA version 2.3 or later ). ... You can add a ' # ' followed by an optional comment after the last parameter. ... velocity . ...

... The Helix Nebula is one of brightest and closest examples of a planetary nebula, a gas cloud created at the end of the life of a Sun-like star. Blue Marble Earth from Suomi NPP . ... This Blue Marble Earth montage shown above -- created from photographs taken by the Visible/Infrared Imager Radiometer Suite (VIIRS) instrument on board the new Suomi NPP satellite -- shows many stunning details of our home planet. ... Planet Aurora Borealis . ... January Aurora Over Norway . ... An aurora. ...

This directory contains material for running demonstrations of the routines in the IRAF.STECF package impol To run these demonstrations IRAF/ STSDAS is mandatory and the impol package must be loaded The directory is composed of the following files : reflneb.fits A 512x512 intensity image of a model reflection nebula demo_foc.cl demo_nicmos.cl IRAF cl scripts for running the demo's for the demo_wfpc2.cl three HST instruments and a SPECIAl (non-HST) demo_special.cl ...

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