'^^j^ . AJn nuuVS ObbcKiAiSi^T 



tiir qu:im ccntrum Solis. Ad dift:intiam itaqiie capillo- 

 rtun p.iiallclon.in in tiibo pcrciirrcndani , qiiun puncluni 

 d , 4 niiniitis priniis , fcu 24.0" tcmporii ablblnit , ccn- 

 trum Solis 2391"/' impcndct. ( ponamus dcfLclum illum 

 efTe rotundc i"). Qiiodfi itaquc niotus punifli d tcmporc 

 4' tactus pro acquali accipiatur motui centri Solis codcm 

 tcmpore fiido, cnor inde in linca g d committctur -^' 

 tcmporis hoc c(l , linca d g ^ a punclo dilci Solaris d 

 tcmporc 4' pcrcurlii , non crit 240" motus ccntri Sola- 

 ris , vti cam afllimcnduin cdc liipra diximus , icd tantum 

 £39;". H(K itaquc numcro loco z^o" pro linca d g 

 fublUtuto cactcris mancntibus , inucnictur in trianijulo 

 b d g inclinatio diftantiac ccntrorum vtriusqiic dilci ad 

 diurnum Solis \cia , ku nngulus h d g \crus 70° £9' , 

 \ndc diffcrcntia , inclinationum dillantiac ccntrorum ad 

 diurnum Soiis in \troquc calii inucntorum , lcu crror in 

 dctcrminationc anguli b dg y cx iiippolitionc illa proucnicns 

 erit 2' 30". Ponamus porro diflantiam ccntrorum \trius- 

 que difci temporc obfcruationis illius dcprchcnlam cflc lio" 

 tcmporis , ct inucnictur indc (icli)luto ncmpc triangulo 

 acquiciuro , cuius \trumque crus cfl 120", ct angulus ad 

 ccntium Solis , ab iisdcm comprchcnflis , cll crror illc in- 

 clinaiionis niodo inucntus 2' 30") diffcrcntia locorum Lu- 

 lue in coclis, fcu in \ia ciusJcm a Soic \ifa /j fccundi 

 tcmporis , fcn ii" fccundi gradus parallcli ccntri Solis , 

 diifcrcntia autcm altitudinum iiipra diuinum ccntri Solis 

 locorum illorum Lunae ,'," tcmporis , fcu ;" gradus cius- 

 dcm paralkii , ct diflantia altiiudinum illarum in diurno 

 Soli'' a ic inuiccm itidcm J\" gradus ciuHlcm paraiicli ; 

 quoium vnuuiquodquc viiquc iiuliius cil iiioiuciiLi , ct nul- 



lus 



