Speculum uranicum; or An almanack and prognostication for the year of our Lord God, 1684. : Being the bissextile, or leap-year. And from the creation of the world, 5633. Wherein is contained the state of the year, the eclipses, lunations, conjunctions, and aspects of the planets and meteorological observations, ... whereby may be known the hour of the night when the moon is to be seen. Calculated according to art, and referred to the horison of the famous city of London, whose longitude is 24 degr. 20 min. latitude 51 degr. 32 min. and may serve, without any sensible errour, the whole kingdom of England