( 2 ; 
xonfiderably , hence it carae to pafs that they made the dire(5l 
Conjundions fome days later , tfie Retrograde earlyer then 
they were found by obfervation. 
jirgdus gives thefirft Gonjun£tjon ^S^^fe;* the Twentieth 
at Noon, in si \9P 55'. above fix days later and 48 min. for- 
warder in the Ecliptick than it appeared. The fecondjanuary 
the Nineteenth at Midnight in 5i 17 56' above ten days earli- 
er than it w^^obfervtd, and i i deg. (hort of its true place in 
.tjie Ecliptickv The laft Gonjun^tion he hath the Six- 
teenth in the Evening in a 15° 35'^ Nine days later than it 
really was, and in above x deg* lefs Longitude. 
h f 
By i^^/^/^r/ RudolphineTablesy^/^/^^ry 26 9 40 
The place of &if2^m IS a 17« 2 r'lo''^ his Latitude 1° ii^iS/^Ti 
but was obferved a 16 57 10 his Latitude i 13 10 
L.iu Difference 2400 i 51 
The ^hct oi Jupiter a 16 51 29 Latitude i 04 28 
obferved 3: 17 07 10 • i 01 30 
^, ; v Difference 15 41 2 59 
^ V The Errors of the Caroline and Britifh Tables of oiSrCoun- 
^rynien arefomewhat lefs than thefc, but other Tables gene- 
rally differ more, as thofe that are defirous to be informed will 
find by compareing their own Calculations with the Obferva- 
tions before recited. 
^.J^cfioli in the Second part of the firfl: Tome o?\\\s Jlmagefiy 
Has given us a Table of all the mean Gonjunflions of the Two 
Superiors from the Creation to the year of Chrift 2358. but 
very Courfe and incorre^a. I have iherefore made a New one 
for 43 Revolutions which are Compleated 853 Julian Years, 
and 235 daysfroni their corred mean Motions. This being the 
Period of the greareft Conjundions after which fpace of time 
they return to the fame place of the Zodiack within I pi a de- 
The Ordinary Con junftions happen once in Twenty Years 
or more preciftly in 19, Julian Years and 312. days » in which 
time 
