This is the command wcsinfo 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
wcsinfo - print simple properties of WCS headers (scale, rotation, etc)
SYNOPSIS
wcsinfo [options] wcs-file
OPTIONS
-e extension
Read from given HDU (default 0 = primary)
-W width
Set/override IMAGEW
-H height
Set/override IMAGEH
Use wcsinfo online using onworks.net services