@classmethod
def get_apod(cls, date=None, hd=False):
    """
        Returns Astronomy Picture of the Day

        Args:
            date: date instance (default = today)

            hd: bool if high resolution should be included

        Returns:
            json
        """
    instance = cls('planetary/apod')
    filters = {'date': date, 'hd': hd}
    return instance.get_resource(**filters)
