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# Title: [Tabularum Astronomicarum Pars Prior De Motibus Solis Et Lunae, Nec-Non De Positione Fixarum Ex ipsis Observationibus deductis] Tabularum Astronomicarum Pars Prior De Motibus Solis Et Lunæ, Nec-Non De Positione Fixarum Ex ipsis Observationibus deductis (shelfmarks Leibn. Marg. 164, Stück 1; Leibn. Marg. 164)
# Folio 69, page id 1032774592:0089
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ISOS TABVLARVH.
PR A C E P TVM XTI.
Praecoenoscere an novilunium, vel plenilunium futurum
sit eclipricum.
T acgregatum parallaxis lunx horizontalis d Cemidia-
metri lunx cempore novilunii aur plenilunii provosici sit
aquale aut majus laticudine lunx eodem tempore, possibilis
erie ccliplis; ac in pleniluniis nisi haec Cumma minuatur
quanticare lemidiametri Colis, heri pocerie lunam a penum-
bra cerra cclipsim eantum pari. Ouamris hoc praecepeum
ad praedicendas celiples sic Pacis securum, non est camen ab
omnierrore immune, uc in lequenti prxcepto patebit.
PR AE CFPTVM XTII.
In quo traditur F clipsium doctrina
PR AE COONOSCENDA CIRCA UTRAMOUE FCLLPSTM.
Rimo cantam supponimus distantiam inter solem de
lunam, respectu distantix terrae ad lunam, ut in celip-
sibus lunx umbex cerrestris diameter in orbitam lunae proje-
etx a radiis centro Colis emanantibus, ipsi terrae diamerro
aequalis altumi possie, cum revera parce sensibili non augea-
tuF, ut paret ex dimentionibus dictantiarum, qux inter haec
eria corpora solem nempe, terram ex lunam accuraris obser-
vationibus a nobis definiuneur.
Idem incelligendum de diametro umbrae luux eodem
modo projectae, quae sensibilicer superticiei terrae occurrens in
Ecliplibus Colaribus, non augetur.
Sccundo toro rempore ccliplis lunam aequabiliter pro-
sredi Cupponimus.