pro convert2rd,x,y,ra,dec,rac=rac,decc=decc ;+ ; NAME: ; CONVERT2RD ; ; CALLING SEQUENCE: ; convert2rd,x,y,ra,dec,rac=rac,decc=decc ; ; PURPOSE: ; Convert from x-y to ra and dec ; ;- if n_params() eq 0 then begin print, 'syntax- convert2rd,x,y,ra,dec,rac=rac,decc=decc' return endif astr_struct,astr astr.crval=[double(rac),double(decc)] xy2rd,x,y,astr,ra,dec return end