i84 
® ) ° C 
(OS*. 
wo 
fe ro* 12% & inclinationem orbitæ i° 33' 20"; atque 
ex loco ejus Geocentrico, die 15 Junii ii /j 23' 22" y 
locum ejus Heliocentrioum inveftigare inftituimus. 
Erat autem eo tempore longicudo Solis 2 s 24°43'44% 
Logarithmus diftantiæ Solis a Terra = 0,0069950; 
Longitudo Cometæ obfervata 9* 2°5i'49'% & lati- 
tudo borealis 6° 57' 45% (Hæc, adcunate loquen- 
do, ex obfervationibus Dorn. Messier 6° 51' 15" 
tantum eruitur*, fed nihil refert, hic folum de ex- 
emplo calculi agitur.) Si jam quæratur Cometæ di- 
ftanda a nodo adfcendente ZV, atque in fequenti- 
bus angulus re£tus littera R notetur, habemus fe- 
quens Schema quantitatum in Problemate hocce 
datarum. 
Long. Sol. vLZ = 2 S .24°. 43'. 44 /r = S4*-43'. 44". 
Long.Ter. Helioc. vL=< — 3 . 5.16.16 = — R. 5 . 16 . i6 
Long. Nod. adf V/V = 4 .12 = R.42 
yT — vZV“= NTz=. s — — 7 . 17 . 16 . 16 =r — 2R.47 . 16 . 16 
Long. Com. obf. vLZ/ = 9 . 2.51.49= 3R. 2.51.49] 
Long. Sol. feu arc. V LZ = 2.24.43.44= 84.43.44 
VLZT — vTZ = e = 6. 8. 8. 5= 2R. 8. 8. 5 
Log. rz=z 0,00699 505 / = 1.33.20; 1=6. 57.45. 
Ex hifcc jam datis ipfc calculus , per §. §. prae- 
cedentes, fequenti ratione inftituitur: 
(§• 3-) 
Log. Sin, *— = 9,1507600.50 
L. Tang, i = 8)4338696.00 
17,5846196.50 
L- Tang. / = 9,0867877.00 
L.Tang.w— = 8, 4978419 !- 50 o «* = — T.48'. 8%i5 
45 0 — 46.48 . 8îi9 
L. T, 
