coadd - Co-add images for astrometry.net

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

       coadd - Co-add images for astrometry.net

-wfile
              Output WCS file (default: input file)

       -eextension
              FITS extension to read WCS from (default: primary extension, 0)

       -ofile
              Output image file

       -Oorder
              Lanczos order (default 3)

       -pplane
              Image plane to read (default 0)

       -N     Use nearest-neighbour resampling (default: Lanczos)

       -ssigma
              Smooth before resampling

       -D     Divide each image by its weight image before starting

       -v     More verbose

http://astrometry.net

0.56                                                July 2015                                           COADD(1)

coaddimageextweightextwcsext...

              use "none" as weight filename for no weighting