code: def dumpJSON(self):
          
          g = get_root(self).globals
          return dict(
              RA=self.ra['text'],
              DEC=self.dec['text'],
              tel=g.cpars['telins_name'],
              alt=self._getVal(self.alt),
              az=self._getVal(self.az),
              secz=self._getVal(self.airmass),
              pa=self._getVal(self.pa),
              foc=self._getVal(self.focus),
              mdist=self._getVal(self.mdist)
          )
docs: Return dictionary of data for FITS headers.