( 87 ; 
Here Note, that I purp^ofcly neglefl the m^mlhy of the diftancc, 
arlfiQg from the Sccentriclty, as being too fmali tobe any way obfcr- 
vable. 
LalHy to clear all difficulties that may arife to them that are but 
Iktlc verfed in this fort of Calculationy I have added Two Sxamples 
of the work, that where the Fref^pt mayfeem obfcure it maybe 
thereby iUuftrated. 
Afjm 1657 Mail I gfi, ft, Ht^gens ©bferved the Satellite very near 
toSaturn 011 th^JVeftern fidc,aod very little ?iboye the /1«^ of the Anf^c 
Ifuppofe this about 10^. p. m, Amo iC'^i Mmii \ 10^ 
he Obferved it again, and faiih of it, difficile confplclebmHr y qmppe 
frofinqmus admodum ^^minofirUnUm fpeUahat^ erarq; AtifarumllneA 
allquanto infmor & qnajl [ub Sztxxtm tranjltmm. Let us now Calcu- 
late to thefe two times. 
1^57 Mall 9°. 
i^^^^ulnoB* ftib, 
Vicib !L/£quinoB. 
Afctn, ReBa*"^ 
ApogAon, 
Decltn, Anft* 
9K 40', LoaMnl 
28«. 57^ 
S'. o. 32 
10. 11, 00 
3^ 
CO 
29- 
3. 
50 
i6^%. Martli 
Sa tmm Locm 
\l a la* r 
ZSq^imUltim 
Iri ah ^quin, 
Afecn, ReBa„ 
ApGgdon 
Beclm, Atift* 
^ 25? 
IQ 2 2, 00 
6. 
25. 
24. 
i6, 
10, 
59 
5 
1^41. 
\6, 
Mali 
9. 
40 
H^ff. Mou S&td 
%\ 29°. 17» 
5. 29. 54 
d. 9. 14 
6. 23 
9. 
12. 
% 
Longi Med, SateU 
Apocron, 
Anomalla 
i^qnatlo fnh. 
LoHg% Ver* Sateh 
Apogdd^i 
Rejldmnt 
e, ante Apogmm 
4. 
10. 
10. 
22. 
42 
00 
iS, 
42 
4, 
4. 
10. 
29. 
%0 
II. 
10. 21 
ergo 2io Annnlladaccafum 
In each agreeing 
Monfieur HugtnSf 
1^41. 
Marti!, 
10^ 
ilig^. Mot.Satel 
8^ 29^ 17» 
4 . 20, 3XD 5 
1 2« 
O 2 2, 
9. 
24 
5^«?^/, 
Apocron, 
nomalla 
^quatlo fuh. 
Long.Ver, SateL 
Apogaofi 
RefidHHm 
h, e, ante Terlg^on 
10. 
3« 
22 
49 
CO 
0. 
II. 
49 
0. 
30 
II. 
3- 
J9 
5- 
16. 
5 
5- 
17. 14 
12. 45 
^?/^^ provenk ifio Semld, Ann^adortumy 
& if to adAnfltHmfweinfra. 
cxaftly with the Defcription and Figure < 
M 2 
