(hog) 
tobelicve that among all tLofe Ingenuous Aits and Sciences , 
which have put themfeives under their Patronage , and look for 
an improvement from their Induftiy , the Celeftial are not to 
be accounted the Ia(i. Their Excellent Hiftoryfliews, that 
they have not negleded the HtAvtns, And their endeavours for 
the Improvement of Oftkk Giants y and Encouragement of 
fuch as labour therein, do more than obfcurely indicate thofe 
highrefpefts they have for the Subliraeft of Human Scien- 
ces , Apronojnj, 
The econfiderations invited me toaddrefs myfelf , v.iththefe 
my following labours , to your Honor 5 who hold fo high a 
place in that illuftrious Body, and are known to excel in the 
knowledge as well , as the Love of that Science, Iftandinga- 
ged in. You know, My lord ^ How much itconduceth to the 
Advancement of Aftronomj , and the Corredion of our Canons , 
to have the Ce'eftial Appearances accu ately obferved , and 
how much it concerns the Obferver to have notice of what 
Fhanomen^ the Heavens exhibit convenient for his Obfervati- 
on, I have endeavoured inth^ following pages to acc mmo- 
date him with the Calculations of fticb of the more 'notable 
Thanomen^ of the Year 1670,5 as will be confpicuous in the 
Englirti Horizon, if the Heavens be clear-, and fliall^ God 
willing , peiforme the like for future Years 3 if 1 may be but en- 
couraged by the acceptance of thefe 
I was excited to this task by perufing the Mercurius in Sole 
qjjfus of the Excellent Hevelius, who hath oblieged Aftrono- 
my by hrs accurate Obfervations of the Moons tranfits by and 
over Saturne ^ and heroccultations of Sp/cd Virginis^ and the 
cUrainfronte ScorpH. IfiW nothing to hinder Us from per- 
forming as much , fince we cannot want inftruments atleaft, 
as good as His , if we had but the like induftry , and notice 
alfo of thetiTiC, when the Appearances would prefent them- 
feives. Though I was not furniflVt with very fit Inftruments , 
yet hoping, that I might do fomewhac worth my labour ^ I 
revolv'd Mr. Wings Bfhemerides for this year, to find, what 
Stars the Moen might cover, and how often, in her Revolu- 
tion. Thofe Occultations , which I colleded might be con- 
fpicuous 3 Ire-calculated from the exa^Seft Tables, I know in 
being 
