38.NEPER

Eastern edge of the visible side of the Moon. We see a number of small mares. Mare Marginis, Mare Smythii, Mare Spumans, and Mare Undarum.

PROMONTORIUM AGARUM - Cape Agarum. Named for a cape in the Sea of Azov on Earth. Named by Hevelius in 1647.

Cape. (70km /43.5Mi Ø ) (Dept: 5,000m /16,404ft) (14.0°N, 66.0°W) High mountainous Cape protruding into the southeast of Mare Crisium.

APOLLONIUS - Apollonius of Perga (Ἀπολλώνιος) (ca. 262 – 190 BC) Greek astronomer, geometer and mathematician. He gave the ellipse, the parabola, and the hyperbola the names by which we know them.

Crater (50.7km /31.5Mi Ø ) (Dept: 2,750m /9,022ft) (4.5°N, 60.9°E) The outer rim is somewhat worn and is overlain by a pair of small craters (including Apollonius E) across the western wall. The nearly flat interior floor has a low albedo and has been covered by lava.

AUZOUT - Adrien Azout (1622 - 1691) French astronomer. He made contributions in telescope observations, including perfecting the use of the micrometer. In 1664-1665 he made observations of comets, and argued in favor of their following elliptical orbits.

Crater (32.9Km/20.4Mi Ø ) (Dept: 3,850m /12,631 ft) (10.3°N, 64.1°E) Circular with a central mountain.

BANACHIEWICZ - Tadeusz Banachiewicz (1882 - 1954) Polish astronomer, geodesist and mathematician.

Crater (99km /61.5Mi Ø ) (Dept: 1,680m /5,511 ft) (5.28° N, 80.01° E) Wall largely degraded, craters Know-Shaw, and Banachiewicz D on the inner floor.

CONDORCET - Marie Jean-Antoine Marquis de Condorcet (1743 - 1794) French mathematician and philosopher.

Crater (74km /46Mi Ø ) (Dept: 2,650m /8,694 ft) (12.11° N, 69.65°E) Outer rim eroded, low saddle point along the northern wall, satellite crater Condorcet Y lies across the northwestern rim, interior floor resurfaced.

DUBIAGO - 1. Dmitry Ivanovich Dubyago (Дмитрий Иванович Дубяго) (1850 - 1918) Russian astronomer. 2. Alexander Dmitriyevich Dubyago (Александр Дмитриевич Дубяго) (1903 - 1959) Russian astronomer and expert in theoretical astrophysics.

Crater (51km /31.6Mi Ø ) (Dept: 2,700m /8,858 ft) (4.4°N, 70.0°E) Worn-out rim, dark floor.

MARE FECUNDITATIS - See of Fertility. Named by  Riccioli.

Mare. (840 km /520 Mi Ø ) (326,000 km²) (7.8°S, 51.3°E) Formation with irregular shape. Ridges.

FIRMICUS - Julius Firmicus Maternus (4th century BC ) Sicilian astronomer (Syracuse).

Crater (about 54.7km /34Mi Ø ) (Dept: 1,700m /5,577ft) (7° 18’ N, 63° 24’ E) Hard to observe, circular, dark floor.

HANSEN - Peter Andreas Hansen (1779-1859) Danish astronomer and selenographer.

Crater (41,2 km/ 25,6Mi Ø ) (Dept: 2,770m /9,088ft) (13.97° N, 72.42° E) Sharp-edged with a central peak.

JANSKY - Karl Jansky (1905 -1950) American radio-astronomer.

Crater (74Km /46Mi Ø ) (Dept: unknown) (11.7°N, 21.7°E) Worn crater with an eroded rim. Difficult to observe.

 

Daly 17.0km Ø Dept: 0,000m 5.7°   N,    59.6°   E
Knox-Shaw 12.0km Ø Dept: 0,000m 5.3°   N,    80.2°   E
Peek 02.4km Ø Dept: 2,340m 2.7°   N,    86.9°   E
Shapley 23.0km Ø 9.4°   N,    56.9°   E
Tacchini 40.0km Ø Dept: 3,550m 5.0°   N,    85.8°   E
 

 

 

 

 

 

 

 

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MARE MARGINIS - Mare Marginis was named by Julius Heinrich Franz (1847 - 1913).

Mare. (360km /224Mi Ø ) (62,000² km /23,938Mi ² ) (13.3°N, 86.1°E) Irregular outline, dark floor.

NEPER - John Napier (1550 - 1617) English mathematician, physicist, and astronomer, creator of the first logarithm tables in 1614.

Crater. (About: 141Km / 87.6Mi Ø ) (Dept: 3,970m /13,024 ft) (8,7° N, 84,6° E) Worn terraces, floor is dark and flat, with a central peak,

SCHUBERT - Theodor von Schubert (1758-1825) German astronomer and geographer.

Crater (54Km /33.5Mi Ø ) (Dept: 3,350m /10,990 ft) (2.8°N, 81.0°E) Circular, sharp edged.

MARE SMYTHII - Smyth's Seas was named by John Lee and William Radcliffe Birt in 1865.

Mare. (373km /232Mi Ø ) (1.3°N 87.5°E) Irregular outline, dark floor.

MARE SPUMANS - The Foaming Seas was named by Julius Heinrich Franz (1913).

Mare. (139m /86.3Mi Ø ) (1.3° N, 65.3° E) Irregular outline, dark floor.

MARE UNDARUM - Sea of Waves. Named so by Julius Heinrich Franz (1913).

Mare. (243Km /151Mi Ø ) (6.8°N, 68.4°E) Irregular outline, dark floor

 

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