j6^ de calcvlo motvs 



triim dimidiam , q eius exccntricitflt;m , ct angn- 

 lus a eiub anomaliam vcram ^ ideoque iam q ncga- 

 tiue accipi dcbcat ^ tum \ero fit ^Cp angulus a lu- 

 na circa tcrram codem tcnipore defcriptus , quo fol 

 conficit angulum r/r, motu mcdio. Hinc crj,o pro 

 motu lunae definicndo hac habtbuntur acquatioacs : 



1°. 'vvd(^'^adrVmap^adrV "^ 



2°. dp=z—'inv\id(^Cm.v{^--i^) 



3°. dq~-nv «</q)^corjxiin.y-i r^TTSjr^ — /^'-.ir } 



n ij' d ijl jin. \t 



T • -y v — ~ p *^" "• v — ^ p 



S\ d^-d(p-\'-j:i^^ ^icof.t^coi.y + -hr^'a;.^i— ) 



( ^ — JT I 



denotante d(^ — d^ promotionem momentancam li» 

 neae abfidum feu apogei lunac in fua orbita : 



6°. d\[/— ^ Ui-iZr) 



o du' _d v|/ — nv^ud^ccf.ff fin.[d — ^) ^_i_ _r_y 



7 • //n.w — Tang. (f q vio*' u^ r 



S°. d<T-d(^-d^Qo[.(jizzdC^-\ p (w'-iIV' 



XXXIIL 



Incipiamus ab cnolutione formulae iji-^'. 

 quae inde facile inftituitur , quod didantia u fcmpcr 

 €ft praemagna prae diftantia Vy vndc fit 



:^-{uu-ivuco^.\k-\-vv} — j^rH ^ -^- r%* — 



Jdcoque ^^, — ^5- — '-^ -^ -^^ ■'. 



Atqac 



