46. Theophilus

What we see on the Chart: Coming in from the north the edge of Mare Tranquillitatis, and the low rille Rime Hypatia. The grand carters Theophilus Cyrillus and Catharina ( Chart 57) together form a prominent group. Craters Kant B, and Zöllner E on the other side of the high plain are covered with lava, and the mountain massif north-east of Kant gets as high as 4000m.

ALFRAGANUS - Mohammed ibn Ketir al Fagani (Around 840AD) Arabian astronomer.

Crater.  (21km/13Mi ř ) (Dept: 3,830m /11.600ft) (5.4° S/19.0° E) Bright irregular, circular formation with rays.

CYRILLUS - Cyril of Alexandria. (Κύριλλος Ἀλεξανδρείας). (About: 376 – 444AD)

Crater. (100Km/59Mi ř ) ( Dept: 3.6 km ) (13.2°S, 24.0°E) Eroded ring wall. Forming a  trio with Theophilus and Catharina.

DELAMBRE - Jean B. J. Delambre (1749 - 1822) French astronomer, theoretician, geodetical surveys, notably the measuring of the baselines for the meridian survey, to get to the size of the standard Meter.

Crater. (53km/32Mi ř ) (Dept: 3500m /10600ft) (1.9° S, 17.5° E) Circular formation. Steep slopes supporting Deslambres H to the north-west and Theon Junior to the south-west. Terraces. Bright.

HYPATIA - Hypatia.(Ὑπατία) (Died: 415AD) Greek Astronomer, mathematician, philosopher. Daughter of Theon of Alexandria.

Crater. (41x28km ř) (4.3° S, 22.6° E) Irregular shaped with central mountain.

KANT - Emmanuel Kant. (1724 - 1804) German philosopher. Theory on how the Universe came to be.

Crater. (32Km / 19Mi ř) (Dept: 2,700m / 8,200ft) (10.6°S, 20.1°E) Circular formation. Steep slopes supporting Kant E to the east Kant M and N to the north, Kant DA to the south-west and Kant S and T to the south. High walls with terraces. Extensive and flat floor supporting a central mountain.

MOLTKE - Helmuth Karl, Graf von Moltke (1800 - 1891) Prussian general and Field Marschall republished and edited Smith's Moon Chart.

Crater. (6.5km/4Mi ř ) (Dept: 1,310m/4,000ft) (0.6° S, 24.2° E) Circular crater with bright edge, bowl shaped and surrounded of bright rays.

TAYLOR - Brook Taylor (1685 - 1731) English mathematician and philosopher, pupil of Newton.

Crater. (41km x 34km ř ) (Dept: 2,480m/7,500ft) (5.3° S, 16.7° E) Damaged formation with a north-south lengthened  elliptical. shape. Steep slopes supporting, Taylor A to the north-west Taylor D to the west and Taylor E to the south-east, jumbled floor with a Central mountain.

THEON JUNIOR - Theon of Alexandria (Θέων) (ca. 335 - 350 BC) Greek-Egyptian astronomer and mathematician.

Crater. (18,6km /11.5Mi ř ) (Dept: 3,580m /11,745ft) (2.41°S, 15.77°E) Circular, bowl-shaped, not eroded.

THEOPHILUS - Saint Theophilus (Died: 412D) Patriarch of Alexandria since 384AD.

Crater. (104Km /61Mi ř ) (Dept: 4,400m/13,300ft) (11.4° S, 26.4° E) Circular formation forming a trio with Cyrillus and Catharina. Steep slopes overhanging Sinus Asperitatis from 1,200m and supporting Cyrillus to the south-east Theophilus F to the west and Mädler to the east. Very high walls with terraces overlapped by Theophilus B to the north-west. Flat floor, central mountain 1,400 m high with 4 summits. Line of crests, hills and craterlets.

 

 

 

 

 

 

 

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ZÖLLNER - Friedrich Zöllner (1834 - 1882) German astronomer and inventor of the seismometer, and a photometer. Author of 1st photometric catalogue of stars in 1861. Took the first planetary albedo measurements in 1865.

Crater. (46km x 36km) (8.0°S,18.9°E) North-south lengthened form with steep slopes supporting Zöllner H to the north, Zöllner D & DA to the west, and Zöllner E to the south-west. High walls with terraces supporting a craterlet to the north to the south and to the south-west, jumbled floor, central mountain and lines of crests.

 

 

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