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3. In the 17th hour my star list has so far not many stars, but we can now add the following 9:

Dschubba 16h 00m 20.01s 16h 00.334m 242.7
ξ 16h 04m 22.30s 16h 04.372m 243.7
ω 16h 06m 48.43s 16h 06.807m 244.3
ψ 16h 12m 00.00s 16h 12.000m 245.6
χ 16h 13m 50.91s 16h 13.849m 246.1
ο 16h 20m 38.18s 16h 20.636m 247.8
σ 16h 21m 11.32s 16h 21.189m 248.0
τ 16h 35m 52.96s 16h 35.883m 251.7
ε 16h 50m 10.24s 16h 50.171m 255.3
μ 16h 51m 52.24s 16h 51.871m 255.7

17th hour:

  ξ Scorpii 5.07 11° 22′ S 16h 01m 243.7
Acrab β Scorpii 2.56 19° 40′ S 16h 03m 244.3
Jabhat al Akrab ω Scorpii 3.93 20° 40′ S
Rutilicus β Herculis 2.78 21° 35′ N 16h 04m 244.5
  ψ Scorpii 4.93 10° 04′ S 16h 08m 245.6
Lesath ν Scorpii 4.00 19° 20′ S 16h 09m 245.8
  χ Scorpii 5.24 11° 50′ S 16h 10m 246.1
Yed Prior δ Ophiuchi 2.73 03° 34′ S 16h 12m 246.5
Yed Posterior ε Ophiuchi 3.23 04° 14′ S 16h 16m 247.6
  ο Scorpii 4.55 24° 10′ S 16h 17m 247.8
  σ Scorpii 2.90 25° 36′ S 16h 18m 248.0
Kajam ω Herculis 4.57 14° 09′ N 16h 23m 249.3
Antares α Scorpii 1.06 26° 19′ S 16h 26m 250.1
  τ Scorpii 2.82 28° 13′ S 16h 32m 251.7
Wei ε Scorpii 2.29 34° 18′ S 16h 47m 255.3
Denebakrab μ Scorpii 3.00 38° 03′ S 16h 48m 255.7
Grafias ζ Scorpii 3.62 42° 17′ S 16h 51m 256.4
Ga7-7 Ga7-8 Ga7-9 (*242) Ga7-10 (180)
δ Cor. Borealis (239.5), χ Lupi (239.6), κ Cor. Borealis (239.9) ρ Scorpii (240.8), ξ Lupi, λ Cor. Borealis (241.1), Vrischika (241.3) ε Cor. Borealis (241.5), Dschubba (241.7), η Lupi (241.9), ρ Cor. Borealis (242.4) ξ Scorpii (242.7), ι Cor. Borealis (242.5), Acrab, Jabhat al Akrab (243.3)
'November 16 '17 '18 (322) '19
"September 14 "15 "16 "17 (260)
Ga7-11 Ga7-12 Ga7-13 (*246) Ga7-14 (184)
Rutilicus (243.5) ψ Scorpii (244.6), Lesath-ν (244.8), χ Scorpii (245.1) Yed Prior (245.5) Yed Posterior (246.6), ο Scorpii (246.8), σ Scorpii (247.0)
16h (243½) '21 '22 (326) '23
"September 18 "19 "20 "21 (264)
Ga7-15 Ga7-16 (*249) Ga7-17 (187)
Kajam (248.3) Antares (249.1)  
'November 24 '25 (329) '26
"September 22 '23 '24 (267)
Ga7-18 Ga7-19 Ga7-20 (*253) Ga7-21 (191)
τ Scorpii (250.7)     Wei (254.3), Denebakrab (254.7)
'November 27 '28 '29 (333) '30
"September 25 "26 "27 "28 (271)
Ga7-22 Ga7-23 (*256) Ga7-24 (194)
Grafias (255.4)    
'December 1 '2 (336) '3
"September 29 "30 "October 1 (274)

Allen:

"The Arabians called these [ω¹ and ω²] Jabhat al Aķrab, the Forehead, or Front, of the Scorpion; and the Chinese Kow Kin, a Hook and Latch."

"σ ... and τ ... were Al Niyāţ, the Praecordia, or Outworks of the Heart, on either side of, and, as it were, protecting, Antares, the Heart of the Scorpion. Knobel in his translation of Al Achsasi's work, explains the word as 'the vein which suspends the heart'!"

Perhaps this was known by the creator of the G text:

   
Ga7-14 (*247) Ga7-16 (*249) Ga7-18 (188) Ga7-19 (*252)
σ Scorpii (247.0) Antares (249.1) τ Scorpii (250.7)  
'November 23 '25 (329) '27 '28
"September 21 (264) '23 (266) "25 (268) "26

"In China the 2d-magnitude star ε, with μ, ζ, η, θ, ι, κ, υ, and λ, formed the 17th sieu, Wei, the Tail, anciently known as Mi and as Vi, μ being the determinant; but, although this Tail coincided with that part of our Scorpion, Brown thinks that reference is rather made to the tail of the Azure Dragon, one of the quadripartite divisions of the Chinese zodiac which lay here."

(http://www2.gol.com/users/stever/spring.htm)