| OPHIUCHUS | Large constellation on the celestial equator SW of Sagittarius; the Serpent-Bearer (9) |
| ORION | Large constellation on the celestial equator containing the first magnitude stars Betelgeuse and Rigel (5) |
| OCHIUCHUS | Located north-west of the Milky Way, the "serpent bearer" constellation known as the 13th sign of the zodiac (9) |
| MONOCEROS | Faint constellation on the celestial equator east of Orion; the Unicorn (9) |
| VIRGO | Second-largest of the constellations, on the celestial equator south of Hydra (5) |
| CETUS | Constellation on the celestial equator near Pisces and Aquarius (5) |
| ANDROMEDA | Large constellation of the northern hemisphere between Cassiopeia and Pegasus; brightest star, Alpheratz (9) |
| AQUILA | Constellation on the celestial equator (6) |
| URSAMAJOR | Constellation on Alaska's flag |
| LACERTA | Small northern constellation on the edge of the Milky Way between Cygnus and Andromeda; the Lizard (7) |
| ECLIPTIC | Great circle of the celestial sphere representing the apparent orbit of the sun, inclined at 23.45 degrees to the celestial equator (8) |
| ZODIAC | From the Greek meaning "sculptured animal figure", a belt of constellations in the night sky whose beasts include Aries the Ram, Leo the Lion and Sagittarius the Centaur (6) |
| SEXTANS | Faint constellation lying on the celestial equator between Leo and Hydra |
| EQUINOX | In astronomy, a point on the celestial sphere at which the ecliptic intersects the celestial equator |
| NORMA | Constellation on the Southern hemisphere crossed by the Milky Way (5) |
| HA | (astronomy) The angular distance of a celestial point measured westward along the celestial equator from the zenith crossing. |
| SOLSTICE | Name either of the two times in the year when the sun is at its greatest distance from the celestial equator (8) |
| TROPIC | Either of two circles of the globe parallel to, and north and south of, the celestial equator (6) |
| HYDRA | Largest of the constellations, in the southern hemisphere near the celestial equator (5) |
| ARCHER | The _; constellation of Sagittarius (6) |
