Message #123334

[Ericka Bowman]

FIG. 4.—The celestial sphere, conditions in a middle latitude. An oblique sphere. In this woodcut DD´ shows the apparent path of a circumpolar star; BB´B″, the path and rising and setting points of an equatorial star; CC´C″ and AA´A″, those of stars of mid declination, one north and the other south; O, standpoint of observer.