The meaning of item 28 is appare

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1	Ana-mua, entrance pillar	Antares, α Scorpii	-26° 19' 16h 26
2	Ana-muri, rear pillar (at the foot of which was the place for tattooing)	Aldebaran, α Tauri	16° 25' 04h 33
3	Ana-roto, middle pillar	Spica, α Virginis	-10° 54' 13h 23
4	Ana-tipu, upper-side-pillar (where the guards stood)	Dubhe, α Ursae Majoris	62° 01' 11h 01
5	Ana-heu-heu-po, the pillar where debates were held	Alphard, α Hydrae	-08° 26' 09h 25
6	Ana-tahua-taata-metua-te-tupu-mavae, a pillar to stand by	Arcturus, α Bootis	19° 27' 14h 13
7	Ana-tahua-vahine-o-toa-te-manava, pillar for elocution	Procyon, α Canis Minoris	05° 21' 07h 37
8	Ana-varu, pillar to sit by	Betelgeuse, α Orionis	07° 24' 05h 52
9	Ana-iva, pillar of exit	Phaed, γ Ursae Majoris	53° 58' 11h 51
10	Ana-nia, pillar-to-fish-by	North Star, α Ursae Minoris	89° 02' 01h 49

Antares and Aldebaran are 12 hours apart, and we could think Rano Raraku respectively Rano Kau, the craters where 'fire' is rekindled (by 'scratching the ground') respectively where you have to start swimming (kau).

If we have to start swiming at Rano Kau, then either we are moving out across the southwestern sea (following the path of the spirit of Hotu Matua) or else we maybe should swim along the southern coast from west to east. Moon moves from west to east, but according to the 2nd list of place names it could be so that Waxing Moon goes along the western coast towards Cabo Norte, not along the southern coast. Therefore Rano Kau seems to be the station of exit from the island, possibly corresponding to Aldebaran.

Although Aldebaran is high in declination (16º) Sun is fading away in autumn (south of the equator). 16 can be understood as a sign of Moon. Antares (-26º) inaugurates summer and is a sign of Sun. Instead of a declination of 16º (for Aldebaran) Antares arrives at 16h, and 16 + 24 = 40 which possibly explains ordinal number 40 for Ra2-9:

39		187	177
39	Ra2-9 (40)	364		Rb8-5 (405)

If Ana-mua - Antares (16h) - should correspond to Anakena, where kings are born, then Spica (13h) could be Cabo Norte:

Spica is also the name of a bird with a pointed beak, and the basic meaning of the word apparently is to be 'pointed' (like an ear of corn). Spica should be located at the beginning of the season of harvest (once associated with Virgo) and also at a cape on the coastline (like Cabo Norte).

If Sun grows along the western coast and leaves at Cabo Norte, then only his white (kuokuo) wife will remain, until next king will arrive (at Anakena).

The distance from Spica to Antares is 16h - 13h = 3h (out of 24h). In the 2nd list of place names item 20 is Hanga Ohiro which becomes 24 if we add 4. Item 13 (or 17) is ko te hereke a kino ariki which corresponds to Cabo Norte. Item 16 (or 20) is Hanga Kuokuo a Vave Renga and next item is Opata Roa a Mana Aia in the 'Tree'. Antares seems to announce the arrival of the 'Tree'. Hanga Ohiro is its end and then surely Anakena must arrive, the station where the king (for instance Charles II) will be reborn.

Not much is very definite and clear, and all may be the results of too vivid an imagination. What we should remember for future use, though, is the possibility of equating 240 with 10 times 24 as a measure for the complete cycle of the season of light. We need not think in terms of 180 days, we can think in terms of hours. Hanga Ohiro could be midsummer.