CONCLVSA. EX TRANSIT. VENERIS. 5^^ 



mcntiim a Dno Docl. Selander pro hoc .cfcntrdu 

 afllgnatum fcligercmus , fiqiiiciem medium quafi tc- 

 ncat intcr bina reliqua. Poflmodum autem occiifio 

 dabitur inquirendi , quiilem ipfa Parallaxis. patiL;.iur 

 mutationem , tx tli!crepauti-a lioruni tnomtntorurri. 



Calculus obferuationum in Infiila Regis 

 Georgii inftitutarum. 



3. Quum elciuitio Poli pro loco vbi obfcrua- 

 tio pcrafla , inuenta fit 17°. 2&'. 55'' Auftr. , erit 

 diftantia Puli Aufiralis a Zcnith huius loci appa- 

 rente 70°. 31'. 5", ideoque difiantia intcr Zeuith 

 ■verum et apparens 9'. 41", ita vt fit diftdntia 2c- 

 nith veri a Folo Auftrali 1= P s — 72^ 40'. 50" 

 circiter. Porro quum longitudo huius loci a me- 

 ridiano Parifino affignara fit 10*. 7'. o" ftatuamus 

 eam reuera clfe lo^ 7' — 6". 



/. Ohfcruatio conta&us cxterni circa 

 'o^\^i\., ingrcjhm. 



Fa(fla e(! d. 2. lunii 21''. 25'. 40" Temp. Tcro, 

 Tnde habetur angulus O P 2 ir 38*. 35'. o". Quum 

 Tcro tcmpus Parifinum huius obfcruptionis fit d. 3. 

 lunii i^ 32'. 40", cr-t f- ^^. 37'. 13"- 2, 620277« 

 cx quo fequens iijlUtuatur calculus : 



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