SOLSTITIOKVM MOMENTIS. 



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tur ( nifi rarilTime ): Atj;im monui : §. 3. pnrtcm 

 proportionalcm dctegcrc momcnt;i extra mcridi- 

 cm fit;i. 



5. Cognitis folrtitiis, xquinoclia non ampli- 

 us ignota mtincnf, N:im eorum Afc. rcdx dillant 

 quiidrantc ab A(c. rcda rolllitii altcrutrlus, dantur 

 crgo eorum AC Rx a (lella, quar in catalogo obfer- 

 vationimi ( §. 3- ) cjuncfitx rcmpus produnt , in quod 

 illx A(". Rx adeoque ip(a xquiiuxftia cccidcruut. 



6. Hic crgo modus c(t obfcrvandi puncl.i car- 

 dinalia, qucm duo commoda habcrc autumoj pri- 

 mum cfl, quod quxfita non cx una aut paucis, fcd 

 pluribus obfcrvationibus clici podint , fic cnim cx 

 confenfu aut diflenfu calculi obfcrvationcs ccrtx ab 

 inccrtis quodammodo difcernuntur, ct animi ccrti- 

 tudo firmatur. Secundum cfl. quod a rcfraclioni- 

 bub nc hilum quidem turbctur, qnx finc rcs magni 

 momcnti cfTc ccnfctur, nimium cnim infidiofx (lint 

 refraclioncs. Qiiod fi in(upcr acccdat jullum horo- 

 logium, et quadrans exacte mcridionalis ct (tabilis, 

 non vidco quid attentum Aftronomum impcdirc 

 poffit amplius quo minus omnia impctret qnx opta- 

 vcrat. 



7. Rc(tat nt cxpliccm quomodo pcr has ob- 

 fcrvationcs obliquitas cchpticx invcniatur. Hic 

 mox in Hmine monco, rem non xquefacilc ut ante 

 proccderc •, Calcuhis cnim moleftior evadit ct re- 

 fradionum infidix vcrendx (unt nonnihil, quod fta- 

 tim palam fict. Prxmittcnda funt autcm ad rci 



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