SYNOPSIS

an-fitstopnm -i input-file

OPTIONS

-o file

Output file (default stdout)

-e ext

FITS extension number (default 0)

-p plane

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 percentile

Set percentile that becomes black (default 25)

-H 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

AUTHOR

The Astrometry.net team. Principal investigators are David W. Hogg (NYU) and Dustin Lang (CMU).