Latest revision as of 19:42, 15 April 2018

Al-Marrakushi

(formerly Langrenus D)

Lat: 10.4°S, Long: 55.8°E, Diam: 8 km, Depth: 1.11 km, Rükl: 48

The first orbital Hasselblad photograph of Apollo 8's Magazine 13-E (AS8-13-2215) shows an oblique southward looking close up of bowl-shaped crater Langrenus D (Al-Marrakushi) in the southern part of Mare Fecunditatis.
An interesting mosaic (AS8-13-2215 to 2227), created by David Woods and Frank O'Brien of the Apollo 8 Flight Journal, shows the location of Al-Marrakushi related to the known region of Goclenius and Colombo (southward looking view).
Al Marrakushi's odd surrounding high-albedo streaks (ejecta rays from Langrenus) are noticeable on several oblique south looking frames made by the orbital Mapping/Metric Fairchild camera of Apollo 15. Of these, AS15-M-2533 shows Al-Marrakushi near the centre of the frame.
Oblique southward looking close up photographs of Al-Marrakushi were also made during the mission of Apollo 16, such as orbital ITEK-panoramic frames AS16-P-4442 and AS16-P-4447. In both frames, bowl-shaped crater Al-Marrakushi is noticeable near the left margins. Note also the bright ray-like material from its larger neighbour in the east: Langrenus.
Apollo 16's Fairchild camera frame AS16-M-0671 shows Al-Marrakushi slightly to the left of the frame's centre.
Research orbital Apollo photography: Danny Caes

Depth data from Kurt Fisher database
- Westfall, 2000: 1.11 km
- Viscardy, 1985: 1.11 km

Named for Abu `Ali al-Hasan Ibn `Ali al-Marrakushi (fl. c. A.D. 1281/1282), a Moroccan astronomer and mathematician.
The name Langrenus D was part of the original IAU nomenclature of Blagg and Müller (Catalog Entry 4691). It was attributed to Mädler.
This replacement name for a formerly lettered crater was provisionally introduced on LTO-80D2 (Nov. 1974), for which it served as the chart title. It was approved in 1976 (IAU Transactions XVIB). - Jim Mosher

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-[http://www.lpod.org/coppermine/albums/userpics/Al-Marrakushi_LO-IV-053H_LTVT.JPG [[Image:normal_Al-Marrakushi_LO-IV-053H_LTVT.JPG|external image normal_Al-Marrakushi_LO-IV-053H_LTVT.JPG]]]<br /> ''[http://lpod.org/coppermine/displayimage.php?pos=-2412 LO-IV-053H]''<br /> <br />
+[http://www.lpod.org/coppermine/albums/userpics/Al-Marrakushi_LO-IV-053H_LTVT.JPG [[Image:Normal_Al-Marrakushi_LO-IV-053H_LTVT.JPG|external image normal_Al-Marrakushi_LO-IV-053H_LTVT.JPG]]]<br /> ''[http://lpod.org/coppermine/displayimage.php?pos=-2412 LO-IV-053H]''<br /> <br />
 ==Images==
 [http://www.lpod.org/coppermine/thumbnails.php?album=search&type=full&search=Al-Marrakushi LPOD Photo Gallery] [http://www.lpi.usra.edu/resources/lunar_orbiter/bin/srch_nam.shtml?Al-Marrakushi%7C0 Lunar Orbiter Images] [http://www.lpi.usra.edu/resources/apollo/search/feature/?feature=Langrenus%20D Apollo Images]<br />
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 ==Additional Information==
-* Depth data from [[Kurt%20Fisher%20crater%20depths|Kurt Fisher database]]
+* Depth data from [[Kurt%20Fisher%20Crater%20Depths|Kurt Fisher database]]
 ** Westfall, 2000: 1.11 km
 ** Viscardy, 1985: 1.11 km