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).