wcstools

Tools for converting and manipulating World Coordinate Systems in FITS images

brewmacoslinux

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Tools for using World Coordinate Systems (WCS) in astronomical images

imwcswcsxyfkgetcolgetheadsetheadimheadimstatxy2skysky2xywcs2pixpix2wcsfindstarimrot

Convert pixel coordinates to sky coordinates (RA/Dec)$ xy2sky image.fits 512 512

Convert sky coordinates to pixel coordinates$ sky2xy image.fits 10.5 -20.3

Display FITS image header information$ imhead image.fits