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observatory; the failure of obtaining tbe requisite funds, however,caused the project temporarily to be abandoned.
Meteorological observations alone were continued in Schbnberg, nearCarthaus. The collecting of astronomical instruments was continued,and in 1831 a small observatory was erected upon the “Apotheke,” inthe “Xeugarten.”
In 1866 the society authorized the erection of the present observatory,which was completed and inaugurated on the 2d of January, 1868, theone hundred and twenty-fifth anniversary of the Raturforschende Gesell-seliaft.
Imperatorslcaia Astronomicheslcaia Observatoria.
Longitude from Greenwich, l h 46 m 53.5 s E.
Latitude, 58° 22' 47.4" 1ST.
Directors: J. W. A. Pfaff, 1808.
E. G. W. Struve, 1813.
J. II. Madler, 1840.
T. Clausen, 1874.
L. Schwarz, 1878.
Founded in 1808 as a dependency of the university. In 1825 Fraun-hofer’s equatorial, with an aperture of 9 inches and a focal length of13£ feet, moved by clock-work, the largest and most powerful refractorin the world at that time, was mounted there. With the help of thisinstrument the elder Struve accomplished his famous Mensural Mi-crometrical, published in 1837, and continued by his successor.
Sternwarte des Derm E. Mengering (Privatej.
Longitude from Greenwich, 27 m 49 8 .9 E.
Latitude, 50° 56' 33" K
Authority for longitude and latitude: A. Lancaster, Liste Geii6ralodes Observatoircs et Astronomes, 1887.
Proprietor; E. Mencerinc.
I. Konigliches Mathematisch-Physilcalisches Institut.
Longitude from Greenwich, 54 m 56 8 E.
Latitude, 51° 3' 45" 1ST.
Authority for longitude and latitude: A. Lancaster, Liste Generatedes Observatoires et Astronomes, 1887.