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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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Sect. A
ASTRONOML3L
PROBLEMA IX.
Fcleos Lunaris initium, medium, es finem; nec
non quantitatem obscurationis computare.
DRoblemare sexro inventum fuit cempus apparens PL. veri
LinFrisia, Tan. d. r. hor. 8. min. 58. sec. 37. Postme-
rdiem. Ec Problemate octaro Lacirudo Lunxe ad id tem-
Poris momentum inveniebatur min. 32. sec. 46. bor. De-
nique Problemate seprimo collecta fuit ad idem tempus ANO-
lualia Solis media lign. 6. grad. 14. Min. 38. lCC. 28. ∞
anomalia Lunae media (iBn. 5. grad. T5. Min. 3. TCc. T. 
hiuie comperens prosthaptiare sis Lunxe grad. L. Min. 19. lCco
22, 5. qua (i applicerur Anomalia mediae, sic Anomalia
Lunxe coxquara lign. 5. grad. 13. min. 43. lec. 39. TIIS
sicur instructi persimus ad incticurum. Ec primo quidem
cum Anomalia Luna coxquata (LBn. 5. Drad. 13. MIN. 43.
sec. 39. inoress Tabulam XZIII. quae est semidiametrorum
apparentium Solis, Luna _ OmbrX terrene, excerpimus
lemidiamerrum L unxe plenae min. 17. Sec. 57. necnon semI
diamerrum UmBrX min. 46. sec. 51. Deinde Curi ANO-
malia media Solis sign. 6. grad. r4. MIn. 38. seC. 28. Cx
eadem Tabula excerpimus Variationem UmbiX, lec. 56.
guxe semper autertur ex lemidinmetro Umbrae, ut restet ca-
dem correcta, nimirum min. 45. Sec. 55. Huic addimus
lemidiametrum Lunx, eradic summa semidiametrorum Um-
brxe _ Lunxe min. 63. scC. 52. Arque Be vel tandem liquido
Pronunciare possumus, num Lura L’Cliplin passura (IC Reenes
Nam ( CenPOre PL veri Laricudo Lunae minor (IC ilt2
lunima semidiameirorun LIm brx _ L. unX: cum cerro (cia5,
Celiptn Lunx Fucuram; secus, nullam. Acqui in nostro
exemplo L arirudo Lunae est min. 3Y. (ec. 46. bor. mulco
scilicet