EEPORTS OF ASTRONOMICAL OBSERVATORIES. G75 



Instruments : 



It is here wa« erected tlui celebrated sixty-foot retieotinu' telescope, 

 with a six-foot s])eculuiii. 



Bogota, United ^Ifatcs of Colombia. 



B(>(j()i(( Obscyratonj. 



Lougitiide from (Ireenwich, ? 



Latitude, ? 



Recently fouuded. 

 Director : Gonzales. 



Bologna, Italy. 



Osser rator io A s t ro n o m ico. 



Longitude from Greenwich, 45'" 24«,0 E, 

 Latitude, 44^ 29' 47" N. 



Bo:MiiAY, Jn(li((. 

 Gorerument ()b.scrr((tory at Colaba. 



Longitude from Greenwich, f 



Latitude, ? 



Director : Charles Chambers. 



The ])rincipal work of the Colal)a Ol)s«'rvatory is in the lields of ter- 

 restrial magnetism and meteorology, and astronomical observations are 

 made only for the ])ractical purpose of time keepiug, partly for the ]>ub- 

 lic service and partly for the use of the Observatory. 



Bonn, Prussia. 

 Uriivcrsitiits Sternwa rte. 



Longitude from Greenwich, 28'" 2:5^29 E. 



Latitude, 50° 43' 45" I^. 



Directors: K. D. voN MtJNCHOW, 1818; 

 F, W. A. Argelander, 1837j 

 E. ScnoNFELD, 1875. 



Founded in 1818 near the University. The erection of a more com- 

 plete Observatory was decided upon in 1837, and the new establishment 

 was finished in 1840. It includes two halls for meridian iustruments 

 and live turrets. Here it was that the review of the heavens, known 

 under the name of '■'Durchmusterung," was undertaken and accomplislied 

 under the direction of Argelander, including all stars up to the ninth 

 magnitude. 



