code: def search(self, dstpath, **params):
          
  
          self.logger.debug("search params=%s" % (str(params)))
          ra, dec = params['ra'], params['dec']
          if not (':' in ra):
              # Assume RA and DEC are in degrees
              ra_deg = float(ra)
              dec_deg = float(dec)
          else:
              # Assume RA and DEC are in standard string notation
              ra_deg = wcs.hmsStrToDeg(ra)
              dec_deg = wcs.dmsStrToDeg(dec)
  
          # Convert to degrees for search
          wd_deg = float(params['width']) / 60.0
          ht_deg = float(params['height']) / 60.0
  
          # Note requires astropy 3.x+
          c = coordinates.SkyCoord(ra_deg * units.degree,
                                   dec_deg * units.degree,
                                   frame='icrs')
          self.logger.info("Querying catalog: %s" % (self.full_name))
          # time_start = time.time()
          results = self.querymod.get_image_list(
              c, image_width=wd_deg * units.degree,
              image_height=ht_deg * units.degree)
          # time_elapsed = time.time() - time_start
  
          if len(results) > 0:
              self.logger.info("Found %d images" % len(results))
          else:
              self.logger.warning("Found no images in this area" % len(results))
              return None
  
          # For now, we pick the first one found
          url = results[0]
          # fitspath = results[0].make_dataset_filename(dir="/tmp")
  
          # TODO: download file
          fitspath = url
  
          # explicit return
          return fitspath
docs: For compatibility with generic image catalog search.