docs: def search_end_date(self, search_end_date):
          """
          :type search_end_date: astropy.io.Time
          :param search_end_date: search for frames take after the given date.
          """
          assert isinstance(search_end_date, Time)
          self._search_end_date = search_end_date.replicate(format='iso')
          self._search_end_date.out_subfmt = 'date'