A high structure or place commanding a wide view
In 1843 he became doctor of philosophy at Munich Observatory, where he was made professor in 1859.
Newcomb, Popular Astronomy; Lick Observatory publications.
Later he was chosen director of the university observatory, which was erected (1818-1821) under his superintendence.
In 1851 he visited the Bonn Observatory, and studied astronomy under Argelander.
The Portland Observatory, on Munjoy Hill, erected in 1807 to detect approaching vessels, rises 222 ft.