1815f. Astrologie 1819f. Astrologie 1823f. Astrologie 1827f. Astrologie 1831f. Astronomie 1835f. Astronomie 1839f. Astronomie 1843f. Astronomie 1847f. Astronomie 1851f. Astronomie 1855f. Astronomie 1859f. Astronomie