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I ought to find out where the stars A and b Capricorni were in rongorongo times. Today they are named 24 and 36 Capricorni, and in the map of my astronomy book I could find 24 and 36 (but not 46):

Like in Lacerta there are key numbers scattered all over Capricornus.

 

Lacerta Capricornus
172 1100
91 116
1100 (4) 250
1100 (5) 96
365 (2) 172
650 142
270 (6) 93
325 (1) 38
There are such 8 items in Lacerta and 15 in Capricornus.

172 could refer to June 21

1100 could refer to right ascension 11h 00m.

365
24 (250)
540
36 (190)
470
109
50

However, there is nothing unique about Lacerta and Capricorni in this respect - my astronomy book has this kind of number also in other constellations. Which raises the question why for instance 365 appears several times. It could hardly be to inform people that the solar year is 365 days long. I should investigate, but not just now.

Instead, lets find out more about 24 and 36 Capricorni:

A (24) 21h 07m 07.69s 21h 07.128m 320.7
b (36) 21h 28m 43.32s 21h 28.722m 326.2
Sadalmelik 22h 05m 47.03s 22h 05.784m 335.6
January 31 February 1 2 3 (399) 4
August 1 2 3 4 (216) 5
Cb12-16 Cb12-17 (683) Cb12-18 Cb12-19 Cb12-20 (294)
e ariki kua iri te vage Rei tu te niu te hokohuki ki te tapamea te hokohuki
Baten Algiedi (315.8), μ Aquarii (316.0) no star listed ε Equulei (317.8)  21h (319.6) χ Capricorni (320.0), ν Aquarii (320.3)
Armus (319.0), Dorsum (319.3), Tsoo (319.7)
no star listed ζ Hydrae (134.1) Acubens, Talitha Borealis (135.0)  ρ Ursa Majoris (135.6), ν Cancri (136.0), Talitha Australis (136.1) 9h (137.0)
ω Hydrae (136.8), σ¹ Ursa Majoris (137.0), κ Cancri (137.3), Alsuhail (137.5)
3 February 8 9 10 (406)
August 9 10 (222) 11
Cb12-24 Cb12-25 Cb13-1 (300)
e ariki noho i te henua  kua noho te tagata rima etahi  Te ariki
γ Pavonis (324.1), Yan (324.6) Al Sa'd al Su'ud-22 / Emptiness-11 no star listed
Tsin (325.2), Alphirk (325.7), SADALSUD (325.9)
Al Minhar al Asad (141.6) Star-25 Al Tarf-7
ALPHARD (142.3), ω Leonis (142.6), τ¹ Hydrae (142.7) ψ Velorum (143.3),  ALTERF, τ² Hydrae (143.4), ξ Leonis (143.5)
February 11 12 (408) 13 14
August 12 13 (225) 14 15
Cb13-2 Cb13-3 Cb13-4 (303) Cb13-5
 kua huki  ko te ika  te mata te henua
Castra (327.2), Bunda (327.5) Nashira (328.0), Azelfafage, κ Capricorni (328.7)  Enif, Erakis (329.2), Jih, 46 Capricorni (329.3), ι Piscis Austrini (329.4), λ Capricorni (329.6), ν Cephei (329.7), Deneb Algiedi (329.8)  θ Piscis Austrini (330.1)
A Hydrae (144.1)

Sirius

Ukdah (145.4),  κ Hydrae (145.5), Subra (145.8)  ψ Leonis (146.4), Ras Elaset Australis (146.6) Vathorz Prior (147.9)

Allen:

"... the 5th magnitudes A, b, and m also bore titles from feudal times of the states Tsoo [24], Tsin [36], and Chaou."

I could not find m Capricorni in Wikipedia (nor in my astronomy book).

From Cb12-19 (at Tsoo) to Tsin (Cb12-25) there were 6 days and to 46 Capricorni there were a further 4 days:

5 3
Cb12-19 Cb12-25 Cb13-4
 21h (319.6) SADALSUD February 13 (409)
11