Ophiuchus (The Serpent Bearer)

Large equatorial constellation of the healer, treading on Scorpius.

Core Principles & Analysis

• The ecliptic passes through it, making it the unofficial thirteenth constellation of the zodiac.
• Barnard's Star, the nearest single star to the Sun at six light-years, lies within it.
• Kepler's Star of 1604, the last supernova seen in the Milky Way, erupted here.

Specifications & Metrics

• BRIGHTEST STAR: Rasalhague (α Oph)
• HEMISPHERE: Both (zodiacal)
• BEST VIEWED: July