wcs-to-tan: invalid option -- '-' This program is part of the Astrometry.net suite. For details, visit http://astrometry.net. Git URL https://github.com/dstndstn/astrometry.net Revision 0.72, date Mon_Jul_10_14:37:28_2017_-0400. Usage: wcs-to-tan -w <WCS input file> [-e <extension>] FITS HDU number to read WCS from (default 0 = primary) [-t]: just use TAN projection, even if SIP extension exists. [-L]: force WCSlib [-x x-lo] [-y y-lo] [-W x-hi] [-H y-hi] [-N grid-n] -o <WCS output file> [-v]: verbose

wcs-to-tan: invalid option -- '-' This program is part of the Astrometry.net suite. For details, visit http://astrometry.net. Git URL https://github.com/dstndstn/astrometry.net Revision 0.72, date Mon_Jul_10_14:37:28_2017_-0400. Usage: wcs-to-tan -w <WCS input file> [-e <extension>] FITS HDU number to read WCS from (default 0 = primary) [-t]: just use TAN projection, even if SIP extension exists. [-L]: force WCSlib [-x x-lo] [-y y-lo] [-W x-hi] [-H y-hi] [-N grid-n] -o <WCS output file> [-v]: verbose