EEPORTS OF ASTRONOMICAL OBSERVATORIES. 675 



Instruments : 

 It is here was erected the celebrated sixty-foot rellectin*^- telescope, 

 witli a six-foot si)ecnliiin. 



Bogota, United States of Colombia. 

 lUnjota Oh.sen'((toyy. 



Longitude from (Jrceiiwich, 



Latitude, ? 



Recently founded. 

 Director: Gonzales. 



Bologna, Italy. 



Osser ratorio A .stro n om ico. 



Longitude from Green wicli, 45'" 24^0 E, 

 Latitude, 44° 29' 47" N. 



Bo:mbay, India. 

 Government ()l>scrv((tory at Colaha. 



Longitude from Greenwich, t 



Latitude, ? 



Director : Charles Chambers. 



The ])rincipal work of the Colaba Observatory is in the fields of ter- 

 restrial magnetism and meteorology, and astronomical observations are 

 made only for the practical purpose of time keeping, partly for the i)ub- 

 lic service and partly for the use of the Observatory. 



Bonn, Prussia. 



Universitdts Stertiwarte. 



Longitude from Greenwich, 28>" 23«.29 E. 

 Latitude, oOo 43' 45" N. 

 Directors: K. D. von MiJNCHOW, 1818; 

 F. W. A. Argelander, 1837 j 



E. SCHONFELD, 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 instruments 

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

 under the name of " Durchmusterung," was undertaken and accomplished 

 under the direction of Argelander, including all stars n\) to the ninth 

 magnitude. 



