Iris, and the other asteroids, or minor planets, are now commonly designated by a circle enclosing a number which indicates the order of their discovery: thus, ①, ②, ③, &c.

Lunar Signs.
🌚New Moon.
🌛First Quarter.
🌝Full Moon.
🌜Last Quarter.
Aspects and Nodes.

☌ Conjunction; happens when two planets stand under each other in the same sign and degree.

☍ Opposition; happens when two planets stand diametrically opposite each other.

△ Trine; happens when one planet stands from another four signs, or 120 degrees, which make one-third of the ecliptic.

□ Quartile; happens when two planets stand three signs from each other, which make 90 degrees, or the fourth part of the ecliptic.

⚹ Sextile; is the sixth part of the ecliptic, which is two signs, and make 60 degrees.