On the chart the western part of Mare Serenitatis with its calderas and ridges. And the crater Linné with its mysterious properties. North-east of Sulpius Gallus a row of ridges along the edge of the Haemus mountains.
MONTES HAEMUS - The Haemus mountains Escarpment. Named after a mountain ridge on the Balkans by Hevelius.
Mountains. (411Km /242Mi ø ) (19.9°N, 9.2°E) (Height: 2,400m /6,000ft) South-East wall of Mare Serenitatis. Dark region with two white spots around the craterlets Sulpicius Gallus L and M (4 km ø ).
LINNÉ - Karl von Linné (Linnaeus) (1707 - 1778) Swedish botanist, explorer, physician. Systemized the naming of plants.
Crater (2,100m /6,889ft ø ) (Dept: 600m /1,968ft) (27.7° N, 11.8° E) Small circular crater, surrounded by bright material which reflects sunlight in many different ways.
MANILIUS - Manilius. (1601 -1665) Roman author and poet. Wrote the poem "Astronomicon" describing the at that time known constellations.
Crater. (39km /24Mi ø ) (Dept: 3,050m /10,006ft) (28°N, 9°E) Clearly defined terraces, central mountains.
MENELAUS - Menelaus (ca. 100 BC) Greek surveyor and astronomer from Alexandria. Author of "Sphaerica".
Crater. (27km/17Mi ø ) (Dept: 3,500m /11,483ft) (16.3°N, 16°E) Sharply defined crater with a sharp edged central mountain. Steep slopes supporting Daubrée to the South-West.
MARE SERENITATIS - Sea of Serenity. Named so by Riccioli.
Mare. (674km /419Mi ø ) (303,000 km²) (28.0°N, 17.5°E) Location of a Mascon. Important system of ridges to the east.
SULPICIUS GALLUS - Sulpicius Gallus. (ca. 168 BC) Roman Consul, orator and scientist. Warned the Roman army in advance that there would be a Moon eclipse, at the battle of Pydny in Macedonia. so that only the opponents were startled by it.
) (Depth: 2,160m /7,086ft) (20°N, 12°E) Isolated bright,
sharp edged, circular formation, bowl shaped situated near the east end of
Rimae Sulpicius Gallus.