410 ^ ASTRONOMICAL OBSERVATORIES. 



l)lete observatory was decided upon iu 1837, and the new establisbment 

 was finished in 1840. It includes two balls for meridian instruments 

 and five turrets. Here it was tbat tbe review of tbe beavens, known 

 under tbe name of Diirchmusferiing, was undertaken and accomplisbed 

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

 magnitude. 



TI. rhotometrisches Observatorium. 



Longitude from Greenwich, . 



Latitude, . 



Director : J. T. Wolf. 



BOTHKAMP (NEAR KiEL), PRUSSIA. 



Sternicarte des Kammerherrn von Billow. 



Longitude from Greenwich, 40™ 30.8^ E. 

 Latitude, 54o 12' iV G if. 

 Oirner : Karamerberr voN BtJLOW. 

 Astronoiners : Dr. Vogel, 1870. 



Dr. LOHSE, 1870. 



Dr. DE Ball, 1881, 1882. 



F. C. Lamp, 1883. 



Tbe observatory was established in 1870. Most of the work done 

 between the years 1870 and 1874 was spectral analysis by Drs. Vogel 

 and LoHSE. These gentlemen receiving a call to tbe Astro-physical 

 Observatory at Potsdam, tbe observatory remained in idleness until 

 1881, when Dr. de Ball took charge. On September 3, 1882, he dis- 

 covered here a planetoid (230). 



Bordeaux, France. 



Ohservatoire. 



Longitude from Greenwich, 2"' 5.54* E. 



Latitude, 44° 50' 17" N. 



Authority for longitude : A. LANCASTER, Liste Generale des Observa- 



toires et Astronomes, 1887. 

 Director: G. Eayet, 1879. 



Tbe observatory, created by a decree of tbe President of tbe French 

 Republic under date of March 11, 1878, was erected attbejoint expense 

 of the city and tbe Eepublic on the summit of a bill, about 4 kilo- 

 meters (2^ miles) E.SB. of tbe center of tbe city. Each instrument is 

 placed in a separate building. 



