An almanack or register of coelestial configurations &c. for the year of our Lord God 1679 and of the world 5628 : being (in our account) leap year, and from the beginning of the reign of our Soveraign Lord Charles II by the grace of God, King of Great Britain, France and Ireland, &c: the 31st year ... calculated for the longit. of 315 degr. and 42 degr. 30 min. north lat. in New England /