an-fitstopnm: invalid option -- '-' an-fitstopnm -i <input-file> [-o <output-file>] (default stdout) [-e <extension-number>] FITS extension (default 0) [-p <plane-number>] Image plane number (default 0) [-m <margin>] Number of pixels to avoid at the image edges (default 0) [-O]: do ordinal transform (default: map 25-95 percentile) [-L <low-percentile>]: set percentile that becomes black (default 25) [-H <high-percentile>]: set percentile that becomes white (default 95) [-I]: invert black-on-white image [-X <max>]: set the input value that will become white [-N <min>]: set the input value that will become black [-x]: set max to the observed maximum value [-n]: set min to the observed minimum value [-r]: same as -x -n: set min and max to observed data range. [-s]: write 16-bit output [-v]: verbose [-M]: compute & print median value

an-fitstopnm: invalid option -- '-' an-fitstopnm -i <input-file> [-o <output-file>] (default stdout) [-e <extension-number>] FITS extension (default 0) [-p <plane-number>] Image plane number (default 0) [-m <margin>] Number of pixels to avoid at the image edges (default 0) [-O]: do ordinal transform (default: map 25-95 percentile) [-L <low-percentile>]: set percentile that becomes black (default 25) [-H <high-percentile>]: set percentile that becomes white (default 95) [-I]: invert black-on-white image [-X <max>]: set the input value that will become white [-N <min>]: set the input value that will become black [-x]: set max to the observed maximum value [-n]: set min to the observed minimum value [-r]: same as -x -n: set min and max to observed data range. [-s]: write 16-bit output [-v]: verbose [-M]: compute & print median value