This is the command coadd that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
coadd - 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
Use coadd online using onworks.net services
