Archive for July, 2014

Fast coordinate conversion with ds9

Posted July 22, 2014 By grigoris

Fast and easy conversion of a .reg file with image coordinates (x,y positions) to sky coordinates (RA,Dec;sexagesimal): ds9 image.fits -regions load input_imageCoordinates.reg -regions system wcs -regions skyformat sexagesimal -regions save outout_skyCoordinates.reg -exit with automatic exit of the program! Thanks to Alexandros M. for providing some examples! References: [1] ds9: [2] ds9 command list: