4. Urania's Mirror has this picture of Libra:
There is a straight (Sun) beam connecting the pair
of bowls by way of 2 * 3 = 6 threads, suggesting each of a pair of
halfyears should be divided in 3 parts (the minimum number for
keeping the bowls horizontal). Let's try this idea against
a final at Toliman:
 |
 |
 |
 |
 |
|
Gb7-13 |
Gb7-14 |
Gb7-15 |
Gb7-16 |
Gb7-17 |
| |
Mirach (16.0) |
Anunitum (16.5) |
|
|
|
1h (15.2) |
'April 6 |
'7 |
'8 |
'9 |
 |
 |
 |
 |
 |
|
Gb7-18 |
Gb7-19 |
Gb7-20 |
Gb7-21 |
Gb7-22 |
|
Ksora
(20.1) |
|
|
Achernar (23.3) |
|
|
'10 (100) |
'11 |
'12 |
'13 |
'14 (104) |
 |
 |
 |
 |
 |
|
Ga2-24 |
Ga2-25 |
Ga2-26 |
Ga2-27 |
Ga2-28 |
| |
|
χ Carinae (119.9) |
Naos (121.3) |
Heap of Fuel (122.1) |
|
'July 17 |
'18 |
'19 (200) |
'20 |
8h (121.7) |
 |
 |
 |
 |
 |
|
Ga2-29 |
Ga3-1 |
Ga3-2 |
Ga3-3 |
Ga3-4 |
|
Tegmine (123.3) |
Al Tarf (124.3) |
Bright Fire (125.4) |
Avior (126.4) |
ο Ursa Majoris (127.4) |
|
'22/7 |
'23 (204) |
'24 |
'25 |
'26 |
 |
 |
 |
 |
 |
|
Ga6-9 |
Ga6-10 |
Ga6-11 |
Ga6-12 |
Ga6-13 |
|
Thuban (212.8),
χ Centauri (231.0), Menkent (313.1) |
|
Asellus Tertius (214.8),
Arcturus (215.4) |
Asellus Secundus
(215.5), λ Bootis (215.6), ι Lupi (216.3) |
ψ Centauri
(216.6) |
|
14h (213.1) |
'October 21 |
'22 (295) |
'23 |
'24 |
 |
 |
 |
 |
 |
|
Ga6-14 |
Ga6-15 |
Ga6-16 |
Ga6-17 |
Ga6-18 |
|
Asellus Primus
(217.8), τ Lupi ((218.1) |
σ Lupi (219.1) |
ρ Bootis
(219.5), Haris (219.7). σ Bootis (220.2), η Centauri (220.4) |
ρ Lupi (221.0),
Toliman (221.2) |
π Bootis (221.8), ζ Bootis
(221.9), Yang Mun (222.1) |
|
'25 |
'26 |
'27 (300) |
'28 |
'29 |
Venus - Sun - Moon. |