44-6 METHODVS OBSERFANDl 



tis. 8** Qiioniam autcin ftella noD in circnk) mnximo , 

 vel iK)n in acqiuitoic ipfo , lcd iu circulo cidcm paril- 

 klo , ctkiaiKiuc miuori moncri fupponimr , numcnis par- 

 tiuni circuli maximi pro difFcrcntia alccnlionum rc(fbiaim 

 fiipra ioucntus , uumcro partium p;u-alicli Ikliae cidcm 

 compctcnti minor crit , idque in ratione diamctri paralle- 

 H rtclLie ad diamctrum acquatoris vti notnm cft. Qiiarc 

 pro numero partium parallcii flcUae diffcrcntiae illi alcea- 

 lionum rcclarum rcfpondcntc inucnicndo , dcnuo illatio 

 iiiftitui dcbct ; vt l"c : lc liabct cofinub dcclinationis ikliac 

 lcu radius parillcli Ikllac ad finum totum , \cl radiura 

 aequatoiis^ ita partes circuli maximi dil?crcntiac alccnfiO' 

 num rcclarum rclpondciKcs (upra inuciuac , ad p.;rtcs 

 parallcii (kliie cidcra ditfcrcntiae afccufionum conipe- 

 tentcs. 9"^ Dati^ hoc modo dificrcntiis dccJinationum et 

 adcnfionum rcdarirm c<:ntri Lunac ct flclbe , ikc non 

 declinatione ct alccnfjonc rcda lk'll;ic , quac aliundc da- 

 tae fupponunrur , dcclinatio qiKX|uc ct alccnfio TcCt:\ ccn« 

 tri Luuae ad tcmpus oblc.ruationis pcr ic innotclccnt. Qiuxifi 

 loca Lunae ad ftcliam hunc in modum rcpctcndo ob- 

 (cruationem primam §pho antcccdaitc dc/criptam , pofle- 

 riori cadcm fcmpcr mancutc , alicjuot vicibus aiitc ini- 

 tium cclipfcos ct durantc cclipfi dcfiuiantur , dalitur indc 

 fiiotus Lunae .apparcns iuxta acqu^uorcm ct nb act]uarorc 

 <)uolibct tcmporc ccliplcos obtincns , ct ex co locusccn- 

 tri Limac rcfpc(flu acquatoris ad quodcunquc cdipfcos mo- 

 mcntum quacrcndus. 



Sihjl- Qiiodfi pofito , margine Limnc infcriori fupra 

 «pillum G C , in fitu ciusticm ad diurnum Lunac pa- 

 ralJclo , pcr quadraiucro vcl dimidium horac nulla flclb 



ad 



