81. Albategnius (crater) www.yotor.com/wiki/de/al/albategnius%20(Krater).htm More results from www.yotor.com The Astronomy Connection TAC Moon ORs Feb 27th and March 2ndalbategnius is just beautiful tonight. The floor looks impeccably smooth Great Imbrium sculpture in the area around albategnius. Many clefts and http://www.yotor.com/wiki/en/al/Albategnius (crater).htm

Yotor Facts Yotor faits Yotor Tatsachen Yotor hechos ... Yotor ru Albategnius (crater) General Characteristics Latitude 11.2° S Longitude 4.1° E Diameter 129 km Depth 4.4 km Colongitude 356° at sunrise Name Source Muhammed ben Geber al Batani This is an ancient lunar impact crater located in the central highlands. The level interior forms a wall plain surrounded by a high, terraced rim. The outer wall is somewhat hexagon-shaped, and has been heavily eroded with impacts, valleys and landslips. It attains a height above 4,000 meters along the northeast face. The rim is broken in the southwest by the smaller Klein crater. Albategnius is located to the south of the Hipparchus crater and to the east of Ptolemaeus and Alphonsus craters. The surface in this area is marked by a set of nearly parallel scars that form channels running roughly in a north-south line, bent slightly to the southeast. The Albategnius crater is believed to have been featured prominently in an early sketch drawing by Galileo in his book Sidereus Nuncius published in 1610, appearing along the lunar terminator. Satellite Craters: By convention these features are identified on Lunar maps by placing the letter on the side of the crater mid-point that is closest to Albategnius crater.

82. Al Battani ALBANY (NEW YORK) LoveToKnow Article on ALBANY (NEW YORK)albategnius (c. 830-929), an Arab prince and astronomer, correctly designatedMahommed ben albategnius takes the highest rank among Arab astronomers. http://www.mygoinfo.com/index.php/Albategnius

MyGoInfo mygo.com Content from Wikipedia Find MyGoInfo Home MyGo.com Categories 850 births ... Printable version Al Battani (Redirected from Albategnius Al Battani (ca. ) was an Arab astronomer and mathematician (also spelled Al Batani , Latinized Albategnius Albategni Albatenius ; full name ), born in Harran near Urfa . He was a Sabian , a religious sect of Judeo-Christian origins from the 3rd century AD that worshipped the stars. His best-known achievement was the determination of the solar year as being 365 days, 5 hours, 46 minutes and 24 seconds. He produced a number of trigonometrical relationships: tan a = sin a / cos a sec a = (1+ tan a He also solved the equation sin x a cos x discovering the formula: sin x a a and used al-Marwazi 's idea of Tangents ("shadows") to develop equations for calculating tangents and cotangents, compiling tables of them. Al Battani worked in Syria , at ar-Raqqah and at Damascus , where he died. He was able to correct some of Ptolemy 's results and compiled new tables of the Sun and Moon , long accepted as authoritative, discovered the movement of the Sun's apogee , treats the division of the celestial sphere, and introduces, probably independently of the 5th century indian astronomer Aryabhata , the use of sines in calculation, and partially that of

83. Daftar A Juga dikenali sebagai Al Battani (albategnius) (240317 H / 845- 929H) Lahir diHarun (Turki) dan mati di Samarak, Iraq. http://w3.spancity.com/yosri/DaftarA.htm

Undur Laman Utama Depan Pengenalan ... Z DAFTAR A 16 Syaaban 1422 Abdul Malik b. Marwan Khalifah Abdul Malik b. Marwan dilahirkan pada tahun 26 Hijrah (646 Masihi). Ibunya bernama Aisya bt. Mu'awiyah b. al-Mughira. Ketika berusia 16 tahun, Abdul Malik b. Marwan pernah mengetuai pasukan tentera Madinah melawan Bizantin ketika pemerintahan Mu'awiyah. Abdul Malik b. Marwan adalah khalifah Bani Umayyah yang Kelima yang memerintah dari tahun 65 Hijrah - 86 Hijrah (685 - 705 Masihi). Beliau sempat melakukan pembaharuan seperti mengeluarkan matawang mas, mengumpul kembali Mushaf Uthman, dan lain-lain. Diakhir hayatnya beliau berhasrat melantik anaknya Marwan menggantikan dirinya, menggantikan pencalunan saudaranya Abdul Aziz. Ini menimbulkan ketegangan dengan Abdul Aziz tetapi ketegangan ini tamat apabila Abdul Aziz meninggal lima bulan sebelum kematian Abdul Malik b. Marwan. Selepas kematian Abdul Malik b. Marwan, anaknya Marwan dilantik menjadi penggantinya. Abu Abdullah Mohd b. Ibrahim Al Lawati (Ibni Batuta) Abu Abdullah Mohd b. Ibrahim Al Lawati (704 – 779H / 1304 – 1372M) merupakan seorang ahli geografi dari Moroko. Ibni Batuta dilahirkan di Tanja, dan mati di Marakas, Moroko, berketurunan Libya. Ibni Batuta merupakan pengembara Islam yang ulung dan banyak menulis tentang pengembaraan beliau.

84. Plato Tiburtinus - Factbites albategnius LoveToKnow Article on albategnius. Perhaps independently ofAryabhatta (born at www.1911encyclopedia.org /A/AL/albategnius.htm (189 words) http://www.factbites.com/topics/Plato-Tiburtinus

Where results make sense About us Why use us? Press Contact us Topic: Plato Tiburtinus Related Topics Plato crater the divided line of Plato PLATO network Plato, Minnesota ... Lunar Republic : Craters A Described his observations of the Solar System in two papers titled Zydge Saby (Sabaeic Tables), which were translated by Plato Tiburtinus into Latin, and were later extended and published by Regiomontanus (qq.v.). At age 17, he entered Plato's academy in Athens, and remained there until Plato's death. Served as tutor to the young Alexander the Great. www.lunarrepublic.com /gazetteer/crater_a.shtml (4442 words) Al-Batani Perhaps independently of Aryabhatta (born at Pataliputra on the Ganges in 476 AD), he introduced the use of sines in calculation, and partially that of tangents. His principal work, De Motu Stellarum, was published at Nuremberg in 1537 by Melanchthon, in a blundering Latin translation by Plato Tiburtinus , annotated by Regiomontanus. The original manuscript is preserved at the Vatican ; and the Escorial Library possesses in manuscript a treatise by him, of some value, on astronomical chronology. www.sciencedaily.com /encyclopedia/al_batani

85. Rose City Astronomers: Moonwalk 1 (35)Crater Hipparchus North of albategnius. (36)Crater albategnius West of Davy,past Ptolemaeus. (44)Crater Arzachel just South of Alphonsus West edge http://www.rca-omsi.org/moonwalk1.htm

Rose City Astronomers Site Index Membership Calendar Newsletter ... Star Links The Astronomical League's Lunar Club Click here to visit The Astronomical League website. Most names of moon features have a Latin connection. The following graphic illustration nomenclature is memory aid in learning features on the moon. When documenting the moon objects, use the official Astronomical League forms. My hints for finding these objects are just that. They are not to be used as official documents for presentation to the AL. The first eight objects of the first page and the entire last page of the Astronomical League form has some fun activities, like finding the man, woman, rabbit and cow jumping the moon etc. I did not list these activities in the Moonwalk. Taking a Moonwalk A quick telescopic tour, hitting just the highlights of the moon should include; The Alps and Alpine Valley, Strait Range, peaks Piton and Pico, Straight Wall with Crater Birt, rays from crater Tycho and Copernicus, the Altai Scarp, the Cobra Head close to Schroeder's Valley, the little bear of Mare Crisium, bright crater Aristarchus, comet crater Messier and other craters with common names including the Craters; Picard, Billy, Catharina, Mitchell, Davy, Linne and Walter and the Apollo landings. The very center of the moon is Sinus Medii. These features are underlined in the enclosed list. Man has landed on the Moon only six times;

86. The Moon - Lunar Images By Philipp Salzgeber hipparchus_delambre.jpg Craters Hipparchus, albategnius, Delambre and Abulfeda;hipparchus.jpg Craters Hipparchus and albategnius; maurolycus.jpg http://www.salzgeber.at/astro/moon/

Lunar Images by Philipp Salzgeber Home Photo Video Articles ... Salzgeber Wolfurt / Austria Introduction small telescope I use a video camcorder to take the images. In spite of the simple technique (in comparison to eye-piece projection or CCD imaging), I am quite satisfied with the results (you can see much better images at some of the sites listed in my moon-links Moon Thumbnails: Lunar Eclipse: The Lunar 100, the list of interesting lunar features compiled by Charles A. Wood for images Lunar Links Recent Images Click on the images to view bigger versions. 2004 November 05 Tilted Moon Images - With a technique devised by J-P Metsavainio it is possible to tilt images of the moon to rectify regions near the lunar limb which would be otherwise heavily distorted. I describe the technique on my page: Tilting the Moon 2004 November 09 Applying another idea by J-P Metsavainio I created some 3D Images of the moon 2004 March 03 The Moon 2004 March 29 Half Moon - A mosaic of several images.

87. Moon Images By Philipp Salzgeber - Thumbnails Hipparchus, Delambre, Craters Hipparchus, albategnius, Delambre and Abulfeda,Crater Hipparchus, Craters Hipparchus and albategnius http://www.salzgeber.at/astro/moon/thumb.html

Lunar Images by Philipp Salzgeber Home Photo Video Articles ... Salzgeber Wolfurt / Austria Image Thumbnails By clicking on the thumbnails below you can see larger images and descriptions. On the equipment page you can get information about the setup I used. 2004 March 03 The Moon 2004 March 29 Half Moon - A mosaic of several images. 2004 February 24 Waxing Moon 2004 February 24 Earthshine 2003 November 9 Total Lunar Eclipse 2003 June 11 The Aristarchus region - again! 2003 May 16 Total Lunar Eclipse My Clavius Saga continues... New Processing Method using MoonStack The occultation of Saturn by the moon. Moonset The Full Moon The double Crater: An MPEG-1 (663 kB) video of Crater Clavius The Crater Copernicus The two day old moon Moonset The one day old moon An MPEG-1 (663 kB) video of Crater Clavius The Craters Aristarchus and Herodotus with the Schröter Valley The Straight Wall Mare Humorum and Crater Gassendi The elongated Crater Schiller and Crater Hainzel The Mare Humorum with Crater Gassendi, Hainzel and Schiller

88. An Amateur's Moon Portfolio Of Lunar Drawings En Pictures Pag 34 The height of the central peaks of Alphonsus and albategnius could also becalculated as well as a crude estimation of the height of the small mountain http://users.pandora.be/lunarsite/pagina34.html

Determining Lunar Surface Heights Ever wondered how high lunar mountains are or how deep craters are. Well, determination of lunar serface heights is very straightforward. All that is needed is a good fotograph showing a lunar feature, measurmment of its shadow it casts and a lunar ephemeris. The height of al lunar feature is determined based on the shadow it casts. When the sun stands very low above the mountain (red), a long shadow is cast on the surrounding terrain. This shadow is much smaller when the Sun stands higher (blue). The shadow must be cast on a more or less flat terrain. Otherwise, like in this example, the measured shadow (blue) is not characteristic of the feature. Here another mountain blocks the shadow wich would be double in length when measured in open terrain (red). The determination of heights is based on the shadow a features casts. Therefor the exact location of the feature must be known (from a lunar atlas), the observer's location, the length of the shadow (from the fotograph) and the position of the Sun with regard to the feature (calculated from the ephemeris). The calculation is very simple. S Length of the shadow in terms of the Moon's apparent radius in arc seconds L p Longitude of the feature b p Latitude of the feature colong Sun's colongitude b s Sun's latitude L e longitude of the obbserver on Earth b e latitude of the obeserver on Earth

89. Nepean Observatory Image Gallery Low resolution image of Ptolemaeus, Alphonsus and albategnius. albategnius isabove and to the left and forms a triangle with Ptolemaeus and Alphonsus. http://sites.uws.edu.au/schools/aou/uwsn/observatory/images/html/mo024.htm

The Moon CCD image of the Moon. Low resolution image of Ptolemaeus, Alphonsus and Albategnius. Bottom Central is Sinus Midii (Central Bay). Ptolemaeus is the walled plane central with smaller crater on the floor. Alphonsus is adjacent and above. Albategnius is above and to the left and forms a triangle with Ptolemaeus and Alphonsus. These three craters are 153 km, 112 km and 136 km in diameter, and named after a Greek Astronomer (90 - 160 AD), the King of Castile and Astronomer (1221 - 1284 AD, and an Arabian Prince and Astronomer (852 - 929 AD), respectively. Previous picture Back to Moon Gallery Next Picture Back to the gallery

90. Astronet > Cups & Saucers and saucers occur on the floor of Ptolemaeus near neighbor albategnius.Like Ptolemy, albategnius is a large, preImbrium crater with an odd flat floor. http://www.astronet.ru:8105/db/msg/1205128

po tekstam po klyuchevym slovam v glossarii po saitam win koi mac ... Tomorrow Credit: Paolo R. Lazzarotti Explanation: Chuck Wood Technical Details: 18 March 2005. Planewton DL-252 telescope + Lumenera LU075 M camera + Edmund Optics R+IR filter; 200 of 4300 frames. Related Links: Paolo's Photo Gallery Aprel' Pn Vt Sr Cht Pt Sb Vs Yanvar' Fevral' Mart Aprel' Mai Iyun' Iyul' Avgust Sentyabr' Oktyabr' Noyabr' Dekabr' Publikacii s klyuchevymi slovami: Moon Luna Lunar Photo of the Day LPOD Publikacii so slovami: Moon Luna Lunar Photo of the Day LPOD Sm. takzhe: Miranda, Shevron, Alonso Gamlet i Oberon Vid na vnutrennyuyu solnechnuyu sistemu Lunnaya analemma ... O reitinge Ocenite Otlichno Horosho Sredne Ploho Ne goditsya Versiya dlya pechati Astronet Nauchnaya set' GAISh MGU ... Avtoram Kommentarii, voprosy? Pishite: info@astronet.ru ili syuda

91. CCDASTRONOMY.DE - Mondbeobachtung Translate this page In Richtung albategnius schließt sich Halley ( links ) mit 36 km Durchmesser und der albategnius ( unten ) ist ein 3900 m tiefer Schüsselkrater ( 136km http://www.ccdastronomy.de/mond270701.html

Mondbeobachtung am 27.07.2001 Rima Hyginius und Rima Ariadaeus Die Krater Hipparchus und Albategnius

92. Encyclopedia: Albategnius (crater) Housing and Food Services, University of Oklahoma island nation BashuaNagaya-Smith on the south side of albategnius. know that they don t have Dr. Pepper on THE MOON which is where albategnius is ! http://www.nationmaster.com/encyclopedia/Albategnius-(crater)

Supporter Benefits Signup Login Sources ... Pies Related Articles People who viewed "Albategnius (crater)" also viewed: Klein (crater) Trinidad and Tobago Rocawear Nairobi ... Famous People Players What's new? Our next offering Latest newsletter Student area Lesson plans Recent Updates Zoot Yrausquin Airport Yoda Xtensa ... More Recent Articles Top Graphs Richest Most Murderous Most Taxed Most Populous ... More Stats Encyclopedia: Albategnius (crater) Updated 205 days 18 hours 53 minutes ago. Other descriptions of Albategnius (crater) General characteristics Latitude 11.2° S Longitude 4.1° E Diameter 129 km Depth 4.4 km Colongitude 356° at sunrise Eponym Al-Batani Albategnius is an ancient lunar impact crater located in the central highlands. The level interior forms a wall plain surrounded by a high, terraced rim. The outer wall is somewhat , and has been heavily eroded with impacts, valleys and landslips. It attains a height above 4,000 meters along the northeast face. The rim is broken in the southwest by the smaller Klein crater kilometers , and has a width about half that. The peak rises to an altitude of roughly 1.5 km. Albategnius is located to the south of the Hipparchus crater and to the east of Ptolemaeus and Alphonsus craters. The surface in this area is marked by a set of nearly parallel scars that form

93. Search Image Database History of Astronomy Persons (A)Crater albategnius (lunar feature). Alberti, Gioachino (fl. 1822). Short biographicaldata. Albertus Magnus Albert the Great; Albert der Große; http://hou.lbl.gov/telescope2/wdb.cgi/hou/Images/query?Name=~albategnius

94. History Of Astronomy: Index Of Persons albategnius see alBattani, Abu Abdallah (ca.868-929). Alberti, Gioachino (19th c.)Albertus Magnus Albert the Great; Graf von (Count of) Bollstädt http://www.astro.uni-bonn.de/~pbrosche/persons/pers-index.html

History of Astronomy Persons History of Astronomy: Index of Persons A Aaronson, Marc (1950-1987) Abbadie, Antoine Thompson d' (1810-1897) Abbe, Cleveland (1838-1916) Abbe, Ernst (1840-1905) Abbon de Fleury [Abbo of Fleury; Albo; Albon Floriacensis] (c. 945-1004) Abbot, Charles Greeley (1872-1973) Abbott, Francis (1799-1883) Abbott, Francis (jnr) (1834-1903) Abel, Niels Henrik (1802-1829) Abell, George Ogden (1927 - 1983) Abetti, Antonio (1846-1928) Abetti, Giorgio (1882-1982) Abiosi [Abbiosi], Giovanni Battista [Jean-Baptiste] (fl. 1490-1520) Ablufarabius: see al-Farabi, Mohammed (ca. 870-950) Abney, Sir William de Wiveleslie (1843-1920) Abraham bar Hiyya Ha-Nasi [Abraham Ben Chaja [Chija]; Abraham Judaeus] (ca. 1070-1136(?)) Abraham Ben Dior [Ben David, Harischon; Josophat Ben Levi] (12th c.) Abraham ben Meir ibn Ezra: see Ezra, Abraham ben Meir ibn (1092-1167) Abraham Zachut (15th c.) Abu Abdallah al-Battani (868-929): see al-Battani Abu al-Hasan: see Ali Ibn Rabban al-Tabari (838-870) Abu Ali Hasan Ibn al-Haitham (965-1040): see al-Haitham Abu al-Nasr al-Farabi (870-950): see al-Farabi Abu Dschaasar Almansur (712-775) Abu Hamid al-Ghazali (1058-1128): see al-Ghazali Abu Mashar: see Albumazar (787-885) Abu Raihan al-Biruni (973-1048): see al-Biruni Abu'l Fida [Abulfeda], Ismail (1273-1331)

95. A01 alBatani albategnius, Muhammed ben Geber (852 - 929) Alberts, B. A Moonmountain-walled plain is named to honor him (albategnius). Alberts, B. http://www.plicht.de/chris/a01.htm

List A This page is still under construction, this work will probably never finish. (Entries marked with 'r' were revised after March 1999) Aaronson, Marc (1950 - 1987) r Abalakin, Viktor Kuz'mich (1930 - ) r Abbe, Ernst Carl (1840 - 1905) r Abbo [Albo] ( - 1004) r Abbot, Charles Greely (1872 - 1973) r r Abel, Niels H. (1802 - 1829) r Abell, George Ogden (1927 - 1983) r Abetti, Antonio (1846 - 1928) r Abetti, Giorgio (1882 - 1982) r Abney, William de Wiveleslie (1843 - 1920) r Abraham Ben Chaja (12. Century) r Abraham Ben Dior (12. Century) r Abraham Ben Esra [Aben Esra ] (12. Century) r Abraham Zachut (15. Century) r Abu Dschaasar Almansur (712 - 775) r Abu'l Fida [Abulfeda], Ismail (1273 - 1331) r Achmed Ibn Ketir [Alfraganus] (10. Century) r Achmed Ibn Mohammed Alsagan Abu Hamed ( - 980) r Acosta, Cristobal (1515 - 1580) r Acronius, Johannes (1520 - 1564) r Adams, Charles Edward (1870 - 1945) r Adams, Charles H. (1868 - 1951) r Adams, George ( - 1786) r Adams, George (1750 - 1795) r Adams, John Couch (1819 - 1892)v Adams, Walter Sydney (1876 - 1956) r Adams, William Grylls (1836 - 1915)

96. Observing The Night Sky With Binoculars 1. Asterisms, Nebulae I observed Hipparchus and albategnius on the lunar terminator. Finer detailswere visible in the walls of Hipparchus and albategnius. http://www.europa.com/~telscope/astrbino.txt

From: "Frank Bov" the open clusters of Auriga - M36, M37 and M38 - and M35 in Gemini. The former are all in one binocular field at 7x, and with that wide field, you can scan down the Milky Way from M52 (which you will find) through Cassiopia, etc., to Canis Major/Puppis, picking out about 20 open clusters. I get a real feeling for the structure of the outer arms of the Galaxy in this region, dominated as it is by open cluster, rather than the globulars of the Ophiuchus/Sagittarius central Milky Way region. Given what you're finding, i.e. M46, you might also want to look for M1 in Taurus and NGC 7000, the North America Nebula in Cygnus. The former is a real binocular challenge, but I've succeeded in 10x50's while the NA nebula is a naked eye object that just shows detail in binos. 10x50 Bushnell Binoculars From: "Tom Luton" ......at 15X... I stopped the Zeiss 8X30s to about 15mm (1.9mm exit pupil) and took a quick look at Jupiter and Saturn just hand holding them against a semi-solid support. Jupiter's disk was apparent and I couldn't tell that much about Saturn. The reason for such a sloppy try was due to drizzly and otherwise bad weather. I was sort of peeking between wet clouds. It went 100% overcast while I went to get a tripod and has been totally shot ever since. At the Astronomy Day open house I looked at Saturn through a friend's Canon 15X42 image stabilized binos. The rings were obvious even hand held. Releasing the stabilize button rendered them useless hand held. That feature really worked, and with a 2.8mm exit pupil, the eye aberrations were not too bad. FJE ============ 05 Nov 1998 From: "Eastman, Jack F"

97. Geschichte Der Astrologie Translate this page Die Methode des albategnius bestand darin, daß aus der Deklination der Sonne undder Polhöhe des Ortes für den aufgehenden Ekliptikgrad der halbe Tag­bogen http://www.hermes-astrologie.com/history5.htm

HERMES-Seite Neu Daten Artikel ... Links Geschichte (Korsch) Krieg im Kosovo Astrologen Brandler-Pracht Grimm Kniepf Vehlow Wulff Kolumbus' Abfahrt Finsternisse und Aktien Terminwahl Neuauflage - wieder lieferbar! Teil 1 : Babylon, Ägypten, Griechenland Teil 2 : Griechenland (Fortsetzung) Teil 3 : Rom Teil 4 : Rom (Fortsetzung) Teil 5 : Araber Quelle: Zenit, 6. Jahrgang 1935, Heft 5 Grundriß der Geschichte der Astrologie (Teil 3) Von Dr. Hubert KORSCH Araber Eine neue Blüte gewann die Astrologie durch die kunstsinnige Förderung der arabischen Kalifen. Von der astrologischen Literatur der Araber ist sehr viel erhalten geblieben, die meisten Werke sind ins Lateinische übertragen worden. Die arabische Astrologie hat die ptolemäischen und aristotelischen Fundamente mit minutiöser Genauigkeit ausgebaut und sich insbesondere mit der Horoskoptechnik und den Direktionslehren beschäftigt. Auch die Lehre von den Planetenkonjunktionen wurde durch die arabischen Astrologen besonders ausgebildet, vor allem die Konjunktion der drei oberen Planeten Mars, Jupiter und Saturn in demselben Tierkreiszeichen, die Unheil, Krieg, Hungersnot, Aufruhr, religiöse Umwälzung herbeiführen sollte. Mohammeds Geburt hängt mit einer solchen Konjunktion im Zeichen Skorpion zusammen, ebenso der schwarze Tod (1348) und Luthers Auf­treten. Schon damals entstand eine Geschichtskonstruktion, die aus rein natürlichen Ursachen den periodischen Verlauf alles Weltgeschehens mit erstaunlicher Kühnheit erschloss und an dem bisherigen Gang der Geschichte aufwies (Boll a.a.0. S.34). Die Araber haben die Astrologie auf dem Gebiete der Medizin wieder zur Geltung gebracht.

98. Sezione Luna UAI Programma Topografico Ricerche Topografiche http://www.planetmoon.org/tavola44.htm

CONTRIBUTI DEGLI ASTROFILI ADERENTI ALLA RICERCA TAVOLA 44 La presente tavola topografica lunare, è stata ridisegnata dall'autore seguendo l'ordine raffigurativo dell'atlante lunare di Antonin Rukl. Tutti i diritti sono riservati. Leggere attentamente la pagina del TAVOLA 44 NUOVE FORMAZIONI OSSERVATE. (eventuali formazioni di colorazione rossa raffigurate sulla tavola sottostante, si riferiscono a nuove formazioni non disegnate da A. Rukl, e aggiunte a seguito delle ricerche topografiche della Sezione Luna UAI) Al momento nessun dettaglio aggiunto. DESCRIZIONE: Zona collinare dove spiccano alcuni tra i più imponenti crateri. Ptolemaeus: vasto anfiteatro di forma esagonale. Il suo fondo scuro è costellato di numerosi piccoli crateri il principale dei quali è Ptolomaeus A. I suoi bordi sono distrutti ma contengono alcuni picchi di notevole altezza.H.Percy Wilkins ha realizzato un’attenta analisi della formazione evidenziando oltre cento particolari nel suo interno. Aphonsus

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