an-fitstopnm(1) Convert FITS images into ugly PNM images.

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).