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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)
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Lib. 11
ASTRONOMIA.
Sis. grad.
Ergo a loco Fleliocentr. 8 in orbita 3 0, 7217
Auter reductionem 0 0.0247 5.
Restat locus Heliocentr. S in cclipt. 3 0,7070 b
Rurtus cum AnOm. med. 8 SIgn. 9, 22,7292 ex Fab.
XXXVI. excerpitur dictantia 8 à Sole 420100.  Incll.
nationis Marris 1. 2838 Sinus. complemenri clt 999989,
cujus complementum Arichmericum eAt ET, qux est CurTaTO
distantix Marris, auterenda ex superiori distanria 420100,
ut restet distantia Marris à Sole currata 420089.
26
PROBLEMA XII
Locum Planetarum Geocentricum in Zodiaco secundum
loncitudinem ex latitudinem determinare.
NTriangulo, quod inter Solem, Fellurem _x Planetam
incercipitur, daneur duo latera, quae a Sole ad Tellurem
ex Planeram extenduntur, cum angulo ad Solem externo,
ablato nimirum vero loco Solis a loco Heliocentrico Planeta
in Feliprica, vel hoc ab illo, uc reliduum minus (IE semi-
circulo; quaericur angulus ad Tellurem, qui in Superioribus
est ignororum major, quipre distantix Superioris à Sole
majori, quam Telluris, oppolicus; in Inferioribus auten
minor, quipre distanrix inferioris minori oppolitus.
noctro ixitur exemplo
Sig. grad.
Verus locus Solis, Probl. XL. inventus est 8 IX. 6857)
LOcus Heliocentricus 8 in Feliprica
Probl. XII. inventus (8)
3 0.7070
Angulus ad Solem externus 5 10.9787
Cajus Cemis 2 20,4893
Dictantia
TabEr.
de
Di