mOBtEyiATIS JSTRONOMlCi: 4^s 



Qiiantitas igitur, qiia diflantia Ard^ri^ vera a 2e- 

 nith riiie / fupra fiippofita — (J2°.3.3^ eft aiigeuda , \t 

 v^riis angiili ad Polum SPj-- \alor prodeat, vi praece- 

 dentis calculi efl: rz: 14^ 33-'''^ , ita vt diftantia Ardud 

 vera a Zenith corredla , fiue j fit accuratiirime 

 zr<52*.4-7^ 3 3^''i, adeoquej-i-(5'-:(S7^48^3'''i. Hice 

 ftabilitis, erit iam 



cof.jr:o.4572i22o 

 cxpraeced. coff.cof ^ro. 2682744.3 



cof.j' - cof. <:= cof. Z» 11 o . 1 8 893 77 7 

 /. ( cof >' - cof c. cof /i) = p.^':^^ 1 86 

 ex praeced. /. fuLr. fin. ^ r: 9.779<^'> 5 1 



/. cof. «39 4.9666 3 5 



ct:i= 7,1°. 4.2^.40^-' 



o-S^^S^^oorcoffj-f-^J) 



o. 21 093629 zrcoff.cofrtf ex pr.ieced- 



o . 1 66 8 8 8 7 1 r cof (jK -f- (^ ) - cof c. cof a- 



9 . 2 2 2 42 69 =:/. (cof ( r-f <5 ) -col. f.cof 4' 

 9.790945 5-1 fiii. <rfia. «expEaeced. 



9.43 148 16 n/.cofp^ 



Summa angulorum a et (3 iam inuentorum angulo' 

 ad Pokim S?s praecife aequalis maximo eft argumento 

 ad diftantiam veram Arcluri a Zenith rede determina- 

 tam. Propterea nuUo iam fere negotio ftellarum obfer • 

 vatarum altitudines abfoiutas- definire poffumus. Arduri 

 enim altitudo abfoluta vera tempore obferuationis erit 

 — 27°. 12^. 26^^55 hinc altitudo eius apparens lupra Ho- 

 rizontem verum rr 27°. 14^ ^o^''^, et error quadrantis,, 

 inclinatione Horizontis fenfibilis implicatus atque coniun- 

 <ftus, ab altitudinibus obleruatis fubtrahendus:zi i2''.40^''. 

 Simili modo , admiffa altitudinum difTerentia obferuata, 

 firodibit altitudo abfoiuta Yera Palilicii z:i2z°.ii'.56'^i^, 



eiuftv- 



