area with many craters, many of whom are only partly preserved. Still part
of the tectonic basin of Mare Imbrium.
Ismaïl ibn Arbu'l-Fida (أبو
- 1331) Arabian-Syrian astronomer and geographer.
(62 km /38,5 Mi
(Debt: 3,110 m
/10,203 ft) (13.87° S, 13.9° E) Walled
plain, surrounded by a high, terraced rim.
Karel Anděl (1884 - 1947) Czech teacher
and selenographer. Author of "Mappa Selenographia" (1926).
Crater. (34 km
/2 Mi ø
(Debt: 1,300 m /4,265 ft) (10.41°S, 12.35°E) Polygonal crater.
Sherburne Wesley Burnham (1838 - 1921)
(24 Km /15 Mi
) (Dept: 760 m /2,493 ft) (13.94° S 7.2° E) Breaks in the rim to the
northwest and southwest, the later forming a valley running for about 15
km. Floor rough and irregular.
René Descartes (1596-1650) French
philosopher and mathematician.
Crater. (48 km
/30 Mi ø
(Debt: 850 m /2,789 ft) (11.78° S, 15.64° E) Flooded, rim nearly missing,
forms a twin with Dollond.
John Dollond (1706-1761) English optician
and lens grinder, co-inventor of the achromatic lens.
(Debt: 1,580 m /5.184 ft) (10.49° S, 14.39° E) Flooded, rim nearly missing,
forms a twin with Descartes.
Edmund Halley (1656-1742) English
astronomer, published Newton's laws.
(36 km /22 Mi
(Debt: 2,510 m /8,235 ft) (8.07° S, 5.7° E) Circular, central mountain,
John Russel Hind (1823
- 1895) English astronomer and mathematician.
Crater. (29 km
/18 Mi ø
(Dept: 2.980 m /9,777 ft) (7.93° S, 7.27° E)
Northern rim broken, uneven floor.
Jeremiah Horrocks (1618 - 1641) English
astronomer. First to demonstrate that the Moon moved around the Earth in
an elliptical orbit; only person to predict the transit of Venus of 1639,
an event which he and his friend William Crabtree were the only two people
to observe and record.
Crater. (30 km
(Dept: 2.980 m /9,777 ft) (4.0° S, 5.81° E) Within the eroded northeast
rim of Hipparchus, polygonal, uneven floor, central hill.
Heinrich E. von Lade (1817 - 1904) German
banker and amateur astronomer. Commissioned the construction of a lunar
Crater. (57 km
(Dept: 820 m /2,690 ft) (1.39° S, 9.99° E) Remains of a lava flooded crater.
Lade B is lava filled up to the rim of the edge.
PICKERING - 1.Edward Ch. Pickering
(1846-1919). 2.William Henry Pickering (1858 - 1938)
(Brothers) American astronomers. Edward worked on stellar spectropocy.
William on the solar system, and he built observatories.
Crater. (16 km
/10 Mi ø
(Dept: 2,740 /8,989 ft) (2.88° S, 6.95° E) Bowl-shaped
formation with a circular rim, it has a ray system that extends for about
160 kilometers. (100 Miles).
George W. Ritchey (1864 - 1919) American
astronomer, inventor, and optician. Constructed the telescopes at
Observatory, cooperated with
George Ellery Hale.
Crater. (24 km
/15 Mi ø
1,400 m /4,593 ft) (11.14° S 8.45° E) Rim broken along the northwestern wall
overlapped by two smaller craters. The floor flat, with a pair of small central
Samuel A. Saunder (1852 - 1912) English
Crater. (45 km
/28 Mi ø
1,300 m /4,265 ft) (4.26° S, 8.7°E) Heavily
eroded, floor flooded.
THEON JUNIOR -
Theon of Alexandria (Θέων)
(ca. 335 - 350 BC) Greek-Egyptian astronomer and mathematician.
Crater. (18,6 km
/11.5 Mi ø
3,580 m /11,745 ft) (2.41° S, 15.77° E) Circular, bowl-shaped, not eroded.
THEON SENIOR -
Theon of Smyrna (Θέων ὁ Σμυρναῖος)
(ca.150 BC) Greek philosopher, mathematician and astronomer.
Crater. (18.2 km
/11 Mi ø
3.470 m /11,384 ft) (0.83° S 15.4° E) Circular,
bowl-shaped, small floor.