The 48 Ptolemæic constellations found in the Almagest (Al-Majisṭī)

Astrolabe by al-Yazdi, Muhammad Mahdi. C.1659-1660. Iran. Gilt-brass; silvered brass; brass; glass. Diameter: 186 mm. Credit National Maritime Museum, Greenwich, London.

A The twelve ecliptic constellations

1 Aries ‒ al-ḥamal, “the Lamb”

2 Taurus ‒ aṯ-ṯawr, “the Bull”

3 Gemini ‒ al-jawzāʾ, “the Middle One” (originally the name for Orion, “the middle one” probably referring to the three stars in the belt)

4 Cancer ‒ as-saraṭān, “the Crab”

5 Leo ‒ al-asad, “the Lion”

6 Virgo ‒ as-sunbula, “the Ear of Corn” (from the Babylonian name)

7 Libra ‒ al-mīzān, “the Scales”

8 Scorpio ‒ al-ʿaqrab, “the Scorpion”

9 Sagittarius ‒ al-qaws, “the Bow”

10 Capricorn ‒ al-jady, “the Goat Kid”

11 Aquarius ‒ ad-dalw, “the Bucket”

12 Pisces ‒ al-ḥūt, “the Whale”

A page from the first printed edition of Ptolemy’s Almagest. Venice 1515. The edition is based on the Latin translation of Gerard of Cremona (c.1114–1187) Toledo, Spain 1175.. See Alan Ridpath’s Page http://www.ianridpath.com/startales/startales1b.htm#ptolemy for detailed discussion.

B The twenty-one northern constellations

1 Ursa Minor ‒ ad-dubb al-aṣġar, “the Smaller Bear”

2 Ursa Maior ‒ ad-dubb al-akbar, “the Greater Bear”

3 Draco ‒ at-tinnīn, “the Serpent”

4 Cepheus ‒ al-multahib, “the Burning One” (etymology not known)

5 Boötes ‒ al-ʿawwāʾ, “the Howling Dog”

6 Corona Borealis ‒ al-iklīl aš-šimālī, “the Northern Crown”

7 Hercules ‒ al-jāṯī (ʿalā rukbatihī) “the One Kneeling (on his Knees)” (from the Greek ho en gonasin, “the One on his Knees”)

8 Lyra ‒ an-nasr al-wāqiʿ, “the Falling Eagle” (the original Arabic name, whence the medieval Latin name Aquila Cadens)

9 Cygnus ‒ ad-dajāja, “the Hen” (from the Greek ornis)

10 Cassiopeia ‒ ḏāt al-kursī, “the Woman on the Chair”

11 Perseus ‒ ḥāmil raʾs al-ġūl, “the Carrier of the Monster’s Head” (meaning Medusa’s head)

12 Auriga ‒ mumsik al-ʿinān, “the One Holding the Reins”

13 Ophiuchus ‒ al-ḥawwā ḥāmil al-ḥayya, “the Snake Charmer Carrying the Snake”

14 Serpens ‒ ḥayyat al-ḥawwā, “the Snake of the Snake Charmer” (from the Greek ophis ophioukhou)

15 Sagitta ‒ uwīsṭus (from Greek oïstos); as-sahm, “the Arrow”; an-nawl, “the Loom” (from an erronous reading of oïstos, “arrow”, as histos, “loom”); al-ġūl, “the Monster” (an erronous reading of an-nawl)

16 Aquila ‒ an-nasr aṭ-ṭāʾir, “the Flying Eagle”

17 Delphinus ‒ ad-dulfīn, “the Dolphin”

18 Equuleus ‒ raʾs al-faras, “the Head of the Horse” (from the Greek hippou protomē, “the Front of the Horse”); al-faras al-awwal, “the First Horse”

19 Pegasus ‒ al-faras al-mujannaḥ, “the Winged Horse”; al-faras al-aʿẓam “the Great Horse”; al-faras aṯ-ṯānī “the Second Horse” (from the Greek hippos, “Horse”)

20 Andromeda ‒ al-marʾa (allaṯī lam tar baʿlan) “the Woman (who Saw no Husband)”

21 Triangulum ‒ al-muṯallaṯa, “the Trigon”

C The fifteen southern constellations

1 Cetus ‒ qayṭus (from the Greek kētos); sabuʿ al-baḥr, “the Predator of the Sea” (in al-Battāni and al-Bīrūnī); ḥayawān baḥrī, “Animal of the Sea” (in Isḥāq b. Ḥunayn); dābbat al-baḥr, “the Brute of the Sea” (in al-Ḥajjāj)

2 Orion ‒ al-jabbār, “the Mighty One”

3 Eridanus ‒ an-nahr, “the River” (from the Greek potamos)

4 Lepus ‒ al-arnab, “the Hare”

5 Canis maior ‒ al-kalb al-akbar, “the Greater Dog”; kalb al-jabbār, “the Dog of Orion” (in aṣ-Ṣūfī)

6 Canis minor ‒ al-kalb al-aṣġar, “the Smaller Dog”

7 Argo (Navis) ‒ as-safīna, “the Ship (of the Argonauts)”

8 Hydra ‒ (al-ḥayyat) aš-šujāʿ, “(the Snake of) the Hero” (Heracles)

9 Crater ‒ al-kaʾs, “the Cup” (al-Ḥajjāj, al-Battānī, Abū Maʿšar); al-bāṭiya, “the Beaker” (Ibn Ḥunayn, aṣ-Ṣūfī, al-Bīrūnī)

10 Corvus ‒ al-ġurāb, “the Crow”

11 Centaurus ‒ qinṭāwurus or qinṭārus (from the Greek kentauros); al-faras, “the Horse” (Abū Maʿšar)

12 Lupus ‒ as-sabuʿ, “the Beast of Prey”

13 Ara ‒ al-mijmara, “the Incense Burner” (from the Greek thumiatērion)

14 Corona Australis ‒ al-iklīl al-janūbī, “the Southern Crown”

15 Piscis Austrinus ‒ al-ḥūt al-janūbī, “the Southern Whale”

Image: The northern constellations on an astrolabe by the Ṣafavid artist Ibn Muḥammad Amīn Muḥammad Mahdī al-Ḫādim al-Yazdī, around 1660. The celestial map was copied from one by Melchior Tavernier (d. 1665).