Apian, Petrus, Cosmographia

Table of figures

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[Figure 21]
[Figure 22]
[Figure 23]
[24] Figuræ Eclipticæ ad Meridianum Leyſzningen.
[Figure 25]
[Figure 26]
[Figure 27]
[Figure 28]
[Figure 29]
[30] ZENITH.
[Figure 31]
[32] Zenith.
[Figure 33]
[Figure 34]
[Figure 35]
[36] Ecce habitationes antedictas.
[Figure 37]
[38] S E P T E N T R I O. pars ſuperior.
[39] Media nox.
[Figure 40]
[41] Horænoctis.Horædiei.
[Figure 42]
[43] Luna creſcensCongreſſus ſiue con-iunctio Solis & LunæLuma decreſcensDiametra radiatio, ſiue op poſitio Solis & Lunæ
[Figure 44]
[Figure 45]
[Figure 46]
[Figure 47]
[Figure 48]
[Figure 49]
[Figure 50]
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page |< < of 140 > >|
104APPENDIX.
OVo autem pacto per hoc organum noctu ho-
ræ æquales ex lunari radiatione abſque ætate
lunæ addiſcendæ ſint, paucis abſoluam.
Inue-
ſtigaturus igitur horam abſq;
lunæ ætatis con-
ſideratione, animaduerte diligenter Lunam in
cœlo lucentem, quanta ſit:
& diligenti contem
platione aduertatur, an Solem præcedat, ſub-
ſequatúrve:
Quibus cognitis, ſtatuenda eſt re-
gula lunæ in limbo horario ſuper horã quam filum ipſum in Com-
paſſo oſtendebat:
Qua ſic permanente, volue rotulam Solis, doncc
luna in cius foramine, &
ea in quantitate videatur, qua in cœlo per
viſus contemplationem reperta fuerat.
Mox enim Solis index in
limbo horario oſtendit horam noctis quæſitam.
Dixi per viſus
contemplationem:
Luua quippe luminare minus & noctis domi-
na, mutuato lumine quoad mundũ ſemper ſemiplena eſt, Illa enim
corporis lunæ medietas (quæ vergit ad Solem) aut parum plus,
propter ampliſſimam magnitudinem, à Sole irradiatur:
quia Sol
lunæ cæterisq́ue ſy deribus ſuum lumen fœnerat ac miniſtrat:
Reli-
qua verò medietas propter ſui corporis indiaphoneitatem, id eſt,
opacitatem perpetuò celipſatur.
Verùm quò ad noſtri
42[Figure 42] viſus coniectationem creſcit ac decreſcit:
quolibet e-
nim menſe conſecuto rio aut menſtruo, Luna ſemel So-
li cõiungitur:
Deinde poſt duodecim Zodiaci ſignorum
tranſgreſſum iterum cum Sole congreditur:
Igitur mutuata luminis
quantitate nobis indies aliter atque aliter apparet, in congreſſu verò
minimè, quia tune ſuperior pars Lunæ, quæ à nobis remota eſt, à
Phœbo eſt incenſa &
combuſta, pars inferior (quæ in ſequenti figu-
ratione nigro aut pullo colore depicta eſt) propter ſuam opacitatẽ.
denegat nobis ſplendorem lunæ: Dein, quanto magis recedit à Sole,
tanto magis creſcit, vſq;
ad eius diametram radiationem, à qua iterũ
ad Phœbum congreſſum vertendo euaneſcit.
REGVLA GENERALIS.
LVna creſcens ſequitur Solem, & ſtatim poſt oc-
caſum Solis ſupra horizonta apparet, &
pars il-
luminata vergit ad occidentem:
Luna verò de-
creſcens præcedit Solem, ſupra´que horizontem
matutino tempore apparet:
Eius quoque ſignum
eſt, ſi pars aduſta ad exortum dirigatur.
Semper
enim (vt paucis multa concludam) pars Lunæ
illuminata reſpicit Solem.

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