Ptolemy:

Constellation of the Centaur:

/Configurations/                                       /Longitude/     /Latitude/  /Magn./
The southernmost of the 4 in the head                  Balance 10 3/6  S21 4/6     5+
The northernmost of these                              Balance 10      S18 5/6     5+
The western star of the remaining 2 middle ones        Balance 9 1/6   S20 3/6     4+
The eastern and last one of these 4                    Balance 10      S20         5+
The star on the left and western shoulder              Balance 6 1/6   S25 4/6     3
The star on the right shoulder                         Balance 15 4/6  S22 3/6     3
The star on the left shoulder blade                    Balance 9 1/6   S27 3/6     4
The northern star of the 2 western ones of the 4 in 
 the wand                                              Balance 18 1/6  S22 2/6     4
The southern one of these                              Balance 19 1/6  S23 3/4     4
Of the remaining 2, the star at the tip of the wand    Balance 22      S18 1/4     4
The remaining one south of this                        Balance 22 3/6  S20 5/6     4
The western one of the 3 in the right side             Balance 13 2/6  S28 2/6     4+
The middle one of these                                Balance 14      S29 2/6     4+
The eastern one of the 3                               Balance 15 1/6  S28         4+
The star in the right arm                              Balance 16 2/6  S26 3/6     4+
The star in the right forearm                          Balance 22 5/6  S25 1/4     3
The star at the tip of the right hand                  Balance 27 3/6  S24 1/4     4
The bright star at the beginning of the human body     Balance 18      S33 3/6     3+
The eastern star of the 2 dim stars north of this one  Balance 17 4/6  S31         5
The western one of these                               Balance 16 5/6  S33         5
The star at the beginning of the back                  Balance 12 1/6  S34 5/6     5
The star west of this last on the horse's back         Balance 9       S37 4/6     5
The eastern star of tthe 3 in the loins                Balance 5 5/6   S40         3
The middle one of these                                Balance 5       S43         4
The western one of the 3                               Balance 2 4/6   S41         5
The western star of the 2 close together in the right
 thigh                                                 Balance 2 4/6   S46 1/6     3
The eastern one of these                               Balance 3 3/6   S46 3/4     4
The star in the chest under the horse's armpit         Balance 18 2/6  S40 3/4     4
The western star of the 2 under the belly              Balance 16 2/6  S43         2
The eastern one of these                               Balance 17 4/6  S43 3/4     3
The star in the bend of the right foot                 Balance 10      S51 1/6     2
The star in the ankle of the same foot                 Balance 15 2/6  S51 4/6     2
The star under the ankle of the left foot              Balance 6 2/6   S55 1/6     4
The star in the frog of the same foot                  Balance 11 1/6  S55 2/6     2
The star at the tip of the right forefoot              Scorpion 8 2/6  S41 1/6     1
The star in the knee of the left foot                  Balance 24 1/6  S45 2/6     2
The star outside under the right hind-foot             Balance 14 4/6  S49 1/6     4

 In all, 37 stars, of which 1 is of 1st magnitude,
  5 of 2nd, 7 of 3rd, 16 of 4th, 8 of 5th.