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# Title: Nicolai Mercatoris Holsati, è Soc. Reg. Institutionum Astronomicarum Libri Duo, De Motu Astrorum Communi & Proprio, Secundum Hypotheses Veterum & Recentiorum præcipuas; Deqve Hypotheseon ex observatis constructione (shelfmark Leibn. Marg. 63)
# Folio 232, page id 820424455:0254
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ASTRONOMTA.
releon Luminorium distantiam extribitura crat.
C
ctancia Luminarium modo inventa prad. 2. min. T. (CC. 53
adi Tabulam Z. quae est horaria Lnnae, _ sub cirulo L. On8
Lunae a Sole quaere numerum isti numero proxime conten.
tiericem; illic reperies prad. 2. min. 1. (Cc. 54. e c regione,
in prima columna, horas 4. unde constat, Lunam iltam dt
Aanciam, qua a Sole abest cempore Plenilunii medii, supe
rare posse moru medio horis proxime quatuor. Ideogue
rancum est fere incerrallum cemporis inter Sy2yoiam median
e veram, rocarurque tempus prosthaphaerericum, quol
medix Syrygix cempori nunc addi, nunc derrahi soleat
prour Luna cempore medix 5y2y gix vel nondum assecut
cA Solem, vel eundem post se reliquir. Id quod ex prostha
phaereseon conditione haud difficile est existimare. Cun
enim rempore Spryoix mediae linea mediorum morum
Solis d Lunx sinc conjunctae; prosthaptaereles octendunt,
quancum linex verorum moruum ab iis digrediantur, ae
prosthapharesconticmlus (Adde vel Subtrahe) arguir, null
porro an recro Luminare absit ab iildem. In nostro exempi
prosthaphaeresis Solis est adjectiria, ergo Sol à lineis me
diorum moruum abest porro, hoc est, in consequentia; d
prosthaphaerelis Lunx ablaciria arsuit hanc abesse à juee
retro, Cive in anrecedentia. ErgO Luna verO MOT nON
dum assecuta est Solem, _ vera Syzygia lequitur median
horis propemodum quaruor. Idem obrinet, cum Solis a
Lunx procthaphareses ambae sunt adjectirix, _ Solis major;
vel cum ambae sunc ablaticix, ec Solis minor: Nam in Lin-
pulis his calibus Luna cirra Solem sublistir. Contra autetu
vera Syzygia praecesit mediam, quando procthaphaerets
Solis est ablariria, e Lunae adjectiria; vel cum Solis d
Lunae prosthaphaereles ambx sune adiecticix, _ L. unxe major;
vel cum ambre sune ablaricix, e Lunxe minor: Nam 1
singulis hiscasibus Luna ultra Solem promora est. Ouam
vis aurem hac prima operatione inveniatur tempus prostha
phaerericum tiorarum circirer quaruor; deprehendetur tamen
acerum ex cerrium reperico calculo, isti summxe 4 horarum,
vigins