coadd(1) Co-add images for astrometry.net

SYNOPSIS

coadd image ext weight ext wcs ext...
use "none" as weight filename for no weighting

OPTIONS

-w file
Output WCS file (default: input file)
-e extension
FITS extension to read WCS from (default: primary extension, 0)
-o file
Output image file
-O order
Lanczos order (default 3)
-p plane
Image plane to read (default 0)
-N
Use nearest-neighbour resampling (default: Lanczos)
-s sigma
Smooth before resampling
-D
Divide each image by its weight image before starting
-v
More verbose

AUTHOR

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