W

Figure 2.20. The orientations of the ecliptic and celestial equator to the horizon near the east and west points of the horizon as seen from the equator and from mid-latitude sites for the important turning points of the seasons: the solstices and the equinoxes. These are views from inside the celestial sphere. Drawn by E.F. Milone.

Table 2.8. Planetary phenomena.

Elongationa

Phenomenon

Symbol

0c

Conjunction

d

60c

Sextile

*

90c

Quadrature

0 0

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