1. Below is my updated list. I have not kept Helen of Troy and Clytemnestra as names for σ respecitively ρ Gemini because I have no evidence these stars ever were named so:

Alhena

γ Gemini 1.93 16° 27′ N 06h 53m 104.8 512.8

Adara

ε Canis Majoris 1.50 28° 54′ S 06h 57m 105.8 513.8
  ω Gemini 5.20 24° 13′ N 06h 59m 106.4 514.4

The 8th hour:

Muliphein

γ Canis Majoris   15° 33′ S 07h 01m    

Wezen

δ Canis Majoris   26° 19′ S 07h 06m    

Wasat

δ Gemini

3.50

22° 05′ N

07h 17m

110.8

518.8

Aludra

η Canis Majoris

 

29° 12′ S

07h 22m

112.1

520.1

Gomeisa

β Canis Minoris 2.89 08° 23′ N 07h 24m 112.6 520.6

 

ρ Gemini 4.16 31° 47′ N 07h 26m 113.1 521.1

Castor

α Gemini 1.58 32° 00′ N 07h 31m 114.4 522.4

Procyon

α Canis Minoris 0.34 05° 21′ N 07h 37m 115.9 523.9

 

σ Gemini

4.23

28° 53′ N

07h 40m

116.7

524.7

Pollux

β Gemini 1.16 28° 09′ N 07h 42m 117.2 525.2

Azmidiske

ξ Puppis

 

04° 44′ S

07h 47m

   

The following (3 + 6) + (6 + 3) = 18 glyphs are probably parallel to the listed stars:

Ga2-9 (*105) Ga2-10 Ga2-11 (42)
Alhena (104.8) Adara (105.8), ω Gemini

The 8th hour:

Ga2-12 (*107) Ga2-13 Ga2-14 (45) Ga2-15 Ga2-16 Ga2-17
        Wasat (110.8)  
Ga2-18 (*113) Ga2-19 Ga2-20 Ga2-21 Ga2-22 Ga2-23
Gomeisa (112.6), ρ Gemini   Castor (114.4) Procyon (115.9) σ Gemini, Pollux (117.2)
Ga2-24 Ga2-25 Ga2-26 (*121)