1. In my astronomy book I can find the following 9 stars listed in the 15th hour:

15th hour:
Agena	β Centauri		60° 08′ S	14h 00m	213.1	621.1
Thuban	α Draconis		64° 37′ N	14h 03m	213.8	621.8
Arcturus	α Bootis	−0.05	19° 27′ N	14h 13m	216.4	624.4
Haris	γ Bootis	3.04	38° 32′ N	14h 30m	220.7	628.7
Toliman	α Centauri		60° 38′ S	14h 36m	222.2	630.2
Izar	ε Bootis	2.70	27° 17′ N	14h 43m	224.0	632.0
Zuben Elgenubi	α Librae		15° 50′ S	14h 48m	225.2	633.2
Kochab	β Ursae Minoris		74° 22′ N	14h 51m	226.0	634.0
Zuben Elakribi	δ Librae		08° 19′ S	14h 58m	227.8	635.8

Ga6-4	Ga6-5 (*210)	Ga6-6	Ga6-7 (**120)	Ga6-8 (149)
	Benetnash (209.5)			Agena (213.1)
October 16	17 (290)	18	19	14h = 213.1

Ga6-9 (*214)	Ga6-10	Ga6-11
Thuban (213.8)		Arcturus (216.4)
October 21	22 (295)	23

Ga6-12	Ga6-13	Ga6-14	Ga6-15 (156)
October 24	25	26	27 (300)

Ga6-16	Ga6-17 (*222)	Ga6-18	Ga6-19 (160)
Haris (220.7)	Toliman (222.2)		Izar (224.0)
October 28	29	30	31 (304)

Ga6-20	Ga6-21	Ga6-22	Ga6-23 (**136)
Zuben Elgenubi (225.2)	Kochab (226.0)		Zuben Elakribi (227.8)
November 1 (305)	2	3	15h = 228.3