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This is the command fit-wcs 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



fit-wcs - Fit a transformation from x,y and matching RA,DEC coordinates


fit-wcs [options] -x file -r file
fit-wcs [options] -c file


Given a list of x,y coordinates and matching RA,Dec coordinates, fit a transformation and
produce a WCS file


-x file
XYls input file

-X name
X column name (default: FIELD_X)

-Y name
Y column name (default: FIELD_Y)

-r file
RDls input file

-R name
RA column name (default: INDEX_RA)

-D name
Dec column name (default: INDEX_DEC)

-c file
Correspondences file

-o file
WCS output file

-s sip SIP order (default is a WCS TAN solution, not SIP)

-W width
Image width (default: max X position; used for SIP)

-H height
Image height (default: max Y position; used for SIP)

-C Set CRPIX to be the center of the field; SIP only

-v Verbose

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