An astronomical diary, calendar, or almanack, for the year of our Lord, 1800 : ... Calculated for the horizon and meridian of Hartford, lat. 41 deg. 56 min. north; longit. 72 deg. 56 min. west of the Royal Observatory, or Flamsteed House in Greenwich. But may, without sensible error, serve indifferently for all the towns in Connecticut and the adjacent states. /