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ASTRONOMICAL OBSERVATORIES .

Hamburg, Germany .

Sternwarte.

Longitude from Greenwich , 39 m 53.8 s E.

Latitude, 53° 33' 7" R.

Directors: - Moser, 1823.

K. L. 0. Bumker, 1830.

Georg F. W. Rumker, 1863.

Built by J. G. Repsold, in 1810, upon a location near the Altonagate; destroyed by the French in 1813; rebuilt in 1825, through a legacyleft by Grell, upon the site of the old ramparts, and still in the neigh-borhood of the Altona gate. It has a central hall for meridian instru-ments and two wings surmounted by turrets. The east wing is usedfor a school of navigation.

Harrow , England.

Private Observatory.

Longitude from Greenwich, l m 20 s W.

Latitude , 51° 35' 15" R.

Authority for longitude and latitude : A. Lancaster, Liste Gfindraledes Observatoires et Astronomes, 1S87.

Proprietor : Lieut . Col. G. L. Tupman.

Heidelberg, Germany .

Sternwarte des Herrn Dr. T. Wolf.

Longitude from Greenwich, -.

Latitude, -.

Authority for longitude and latitude A.: Lancaster, Liste Gdnfiraledes Observatoires et Astronomes, 1887.

Director: JDr. T. Wolf.

Helsingfors, Finland .

Astronomislca Observatoriet.

Longitude from Greenwich , l h 39 m 49.14 s E.

Latitude, 60° 9' 2.0" R.

Directors : F. W. A. Argelander , 1829.

G. Lundahl, 1841.

F. WOLDSTEDT, 1852.

A. Kruger, 1852.

Dr. A. S. Donner.

Founded in 1829, near the university, after the fire at Abo had de-stroyed the scientific instruments of that Finnish town. This observa-tory is the most northerly in the world.

Her£ny, Hungary .

Astro-Physilcalisches Observatorium.

Longitude from Greenwich , I 1 * 6 m 24.7 s E.

Latitude, 47° 15' 47" R.