G74 EEPORTS OF ASTRONOMICAL OBSERYATOEIES. 



, Berlin, Prussia. 



EonigUche Sternicartc. 



Longitude from Green wicli, oS"' 348.91 E. 

 Latitude, 52o 30' 10".7 N. 

 Directors: G. Kirch, 1706; 



J. H, Hoffmann, 1710 ; 

 C. Kirch, 1717; 

 * J. W. Wagner, 1740; 

 H. N. Grischow, 1745; 

 J. Kies, 1754; 

 r. IT. S. Aepinus,1755; 

 J. J. HUBER, 1750; 

 Jean Bernoulli, 1767; 

 J. B. Bode, 1786; 

 J. F. Encke, 1825 ; 

 W. J. FOERSTER, 1865. 

 Librarian: Dr. V. Knorre. 



Founded at the request of Leibnitz in 1705; completed in 1711. 

 Originally situated in the suburb Dorotheenstadt, in the northern i^art of 

 the city. A great square tower of five stories, 46 feet (14 meters) in 

 length and 88^ feet (27 meters) in height. This Observatory was re- 

 modelled in 1787 and again in 1800. In 1833 a new Observatory was 

 built at the southern extremity of the Charlotten Strasse. The "Astro- 

 nomische Jahrbuch" has been i^ublished annually since 1776. It was 

 here that Galle discovered Neptune in 1846. 



Bern, Switzerland. 



Sterniimrte. 



Longitude from Greenwich, 29"" 46^ E. 

 Latitude, 46° 57' 8".7 N. 

 Directors : F. Frechsel, 1821 ; 



E. Wolf, 1847; 



J. Koch, 1856; 



H. Wild, 1859; 



A. J. T. FORSTER, 1871, 

 Constructed uj)on a bastion in 1822. In plan a regular octagon, the 

 circle described about which has a diameter of 65^ feet (20 meters). 



i\ 



Birr Castle, Ireland. 



Farsons-toivn Observatory. 



Longitude from Greenwich, SI"" 40».9 W. 

 Latitude, 53° 5' 47" N. 

 Director: The Earl of Eosse. 



