4<^4 MEJHODFS OBSERrjXDl 



+'" detcrminat:! ruiit. z''^ Incliuatio ftmitac TiQc ccntri 

 Liinac tcmpore intcr dinis quascunqiic obfcruationcs phalium 

 interccdcntc a Luna cnicnliic ad lcmitam ccntri ^mbrae vi- 

 iam eodcm tcmporc ab \mbra pcrcudam. Duiturtnim 

 i"^ in rct]uifitis §plii huius ad c]uamlibct oblcruationcm 

 phafcos dcclinatio Lunac ct ditfcrcntia afccnlioni:m rc(fla- 

 nim Lunac cc (k-llac partibus circuli maximi cxprcirae , 

 cum iisc]uc fuinil motiis Lunac in jxualklo llcllac itidcm 

 partibus circuli maximi cxprcflus , ct variatio , lcu incre- 

 mentum \cl decrcmcntum dcciinationis Lunac tcmpori in- 

 tcr oblcruationes phafium alfumptas iiucricdcnti rcfpon- 

 dcntcs; vndc motus ctiam Lunac in paraliclo cius per 

 diffcrcntiam dcchnationum minorim tianlcunte , ct in fc- 

 mita ciusdcm apparciitc codcm tcmpoic fadi ii^dcnuiuc 

 partibus cxpicfli , cum inclinatioiic li.iiiitac ad parallclum 

 Lunac dclcriptum dabuntur : li pro primo ex dcchnationc 

 ftcllac ct dcclinationc Lunac dcclinationi ftcUac , tcmpo- 

 ribus obltruationum alfiimptarum proxima , radii paral- 

 lclonini (kllac ct Lunac inucniantur, ilIatioc]uc inllituatur , 

 vt radius parallcli rtcilac (c habct ad radiuni paiallcli Lu- 

 n;ic modo dc(cripti ; ita motus Lunac in pai;illclo Ikllac 

 per tcmpus intcr oblcruationcs phafium intcrccdcns l:idus , 

 ad niotum Luiiac in paiallclo ciusdcm laudato codcm 

 tcmporc fiKflum cjuaclitum. Pro fccundo autcm triangii- 

 Fi£.M. him STE rc(flangulum :id T, latcribus eius S T , motu 

 ncmpc Lunac in i^arallclo ciubdcm Ikllac proximo nu- 

 pcr inucnto , ct K T , varlationc dcdinationis Lun:ic tcm- 

 porc uitcr obfcruationcs ph:ifmm afl"uniptab intcrccdcntc 

 fii<rta , cx rc(]uiliti5 §phi huius datis dcdticcnda , rc(i>lua- 

 tur , UlUbtiuc cius icrtiuiu 6' £ , ct iiiciiiutio ciusdcm ad 



liucam 



