19. Brayley

South-western part of mare Imbrium with countless ridges and a network of  rays coming mostly from Aristarchus and Copernicus. Visible in larger telescopes, the rilles near Prinz.

NGTRM - Anders J. ngstrm. (1814 - 1874) Swedish Astronomer and Physicist. One of the founding fathers of Astrophysics.

Crater. (9.8Km /6Mi ) (Dept: 2,030m /6,200ft) (29.9N, 41.6W) Bright circular bowl shaped formation.

BESSARION - Johannes (Basilios) Bessarion. (Βασίλειος Βησσαρίων) (1403 1472) Greek/Byzantine Scholar and theologian.

Crater. (10.2 km/6Mi  ) (Dept: 2,000m/6,100ft ) (15N, 37.0W) Bowl shaped, circular formation with three white radial rays and steep slopes supporting Bessarion E to the north.

VAN BIESBROECK - Georges-Achille van Biesbroeck. (January 21, 1880 February 23, 1974). BelgianAmerican astronomer.

Crater. (10km /6.2Mi ) (Dept: unknown) Formally nown as: "Krieger b". Small circular crater within the crater Krieger.

BRAYLEY - Edward J. Brayley (1801 1870) English Professor in the fields of Geography, and Meteorology. Observation of Meteors.

Crater. (14.5 km /9Mi ) (Dept: 2,840m /8,600ft) (20.9N, 36.9W). Bowl shaped Circular formation. High walls with steep slopes supporting a craterlet to the South-East.

DELISLE - Joseph-Nicolas Delisle (1688 - 1768) French astronomer and cartographer. From 1725-1747 Director of the New Petrograd Observatory. Discovered a new method of calculating the distance from the Earth to the Sun, using the solar transits of the planets Mercury and Venus.

Crater. (25 km /15Mi ) (Dept: 2,550m /7,700 ft) (Depth: 2.6 km) (2954′N, 3436′W) Isolated circular formation. Steep slopes to the South. High walls. Eroded floor. Central mountains.

DIOPHANTUS - Diophantus of Alexandria (Διόφαντος ὁ Ἀλεξανδρεύς). (About: 250BC) Greek mathematician. Know as "The Father of Algebra".

Crater (18.5Km /11Mi ) (Dept: 2,970m /9,000ft) (27.6 N, 34.3 W) Circular formation with steep slopes supporting the craterlet Diophantus C to  the south-west.

MONTES HARBINGER - Harbinger Mountains. Mountains catching the first rays of sunlight before the light reaches Aristarchus to the west, announcing the new day's dawn to the crater. (Hence the name Harbinger).

Mountains (93Km/55Mi ) (Hight: 2,500m/7,600ft) (27.0N, 41.0W) Collection of isolated hills.

KRIEGER - Johann Nepomuk Krieger. (1865 - 1902) German selenographer. 

Crater (22Km /13Mi ) (Dept: 1,100m /3,300ft) (29.0N, 45.6W) Circular formation with steep slopes, supporting 2 craterlets to the East. Connected  in the South to Van Biesbroeck.

TOBIAS MAYER - Tobias Mayer. (1723 1762) German astronomer famous for his studies and drawings of the Moon. Published a Moon map.

Crater (33Km /20Mi ) (Dept: 2,900m /9,514ft) (15.6N, 29.1W) A circular formation with a small central mountain, and steep slopes. Supporting Tobias Mayer A to the South-East. Craterlets.

 

 

 

 

 

 

 

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PRINZ - Wilhelm Prinz. (1857 - 1910) German/Belgian astronomer. Worked as Scientist at the    The Royal Observatory of Belgium, (Koninklijke Sterrenwacht van Belgi), in Ukkel near Brussels.

Crater (46Km /28.5Mi ) (Dept: 1,020m /3,346ft) (25.5N, 44.1W) Wall flooded by lava for the most, only the north-eastern part still intact.

OCEANUS PROCELLARUS - Ocean of Storms. Named by Giovanni Battista Riccioli (in 1651).

Mare (18.4N, 57.4W) (4,000,000 km /1,500,000 Mi ) Largest lunar sea. (North-South axis: 2,592 km /1,611 Mi) Very flat to the center. (80m altitude difference in a 400 km diameter circle).

 

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