De maculis solarib. et stellis circa Iouem errantibus : accuratior disquisitio, ad Marcum Velserum ... perscripta. Interiectis obseruationum delineationibus (1612)
Scheiner, Christoph, 1575-1650 · Augustae Vindelicorum : Ad insigne Pinus · leaf 43
fint valde debiles, & quiainuer- tuntur, & quia rarz funt, propterea quodlatitudinem obiedi àquo promanant excedant, & quia lumine debiliffimo vtun- tur, quibus rationem do;,cur ea quz ab oculo remotiora funt, ————— 2. A vieiniffima ifta ne aduertantur, fuppri- | mant. llla enim radios dire&iores,… … - ciam, reuoco & iftud fpe&taculum, quod | é vitris indebite à fe diftantibus enaífci- | $ tur,aut enim nimium dilata, Solem in: radioscosq variicoloris difpeícunt, aut: contra&a nimis, eundem in nubes con- ! -—- T deníant, quz ambo confideres in allatis fchemotis, in quorutn altero À refertur Sol…
Sunspots · Astronomy -- Early works to 1800
Internet Archive · Fisher - University of Toronto · Public domain (published before 1931). Free to use for anything.
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