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Sky-Tonight.com / Constellations / Ophiuchus
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This Earth map lets you select the observer’s location used to calculate the bearing and elevation of celestial objects. The selected point determines how the sky, rise and set times, and object positions are shown.
Your location: Santa Clara, United States
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Latitude:
37.3541
Longitude:
-121.955

Ophiuchus Constellation

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Ophiuchus, the serpent-bearer, is a large constellation in the southern sky, representing a man holding a serpent, often associated with healing.

Ophiuchus (The Serpent Bearer)

Ophiuchus is a unique and intriguing constellation, often referred to as "The Serpent Bearer." It represents a man holding a serpent, symbolizing the mythological figure Asclepius, the Greek god of healing. Though it is one of the largest constellations, Ophiuchus is often overlooked due to its location between the more prominent zodiac signs.

Key Features

  • Bright Stars: Ophiuchus contains several notable stars:
    • Alpha Ophiuchi (Rasalhague): A double star system marking the hand of the figure.
    • Beta Ophiuchi (Cebalrai): A blue giant star marking the opposite shoulder of the figure.
  • Deep-Sky Objects: Ophiuchus contains several interesting deep-sky objects:
    • Messier 12 (M12): A globular cluster located approximately 24,000 light-years away, rich in stars.
    • Messier 10 (M10): Another globular cluster that lies close to M12.
    • NGC 6366: A star cluster with a faint, irregular shape, located about 3,600 light-years away.

Mythological Background

In Greek mythology, Ophiuchus is associated with Asclepius, the god of medicine and healing, who was said to have the ability to bring the dead back to life. According to myth, Asclepius learned the secret of resurrection from a serpent and was able to heal others. However, his power angered Zeus, who struck him down with a thunderbolt. In recognition of his great knowledge, Zeus placed Asclepius among the stars as Ophiuchus.

The serpent held by Asclepius is also symbolized in the caduceus, a staff entwined with two serpents, which is still used today as a symbol of medicine.

Cultural Significance

Though not traditionally considered part of the zodiac, Ophiuchus plays an important role in astrology, as it is located along the ecliptic, the apparent path of the Sun. Some modern astrologers have debated whether to include Ophiuchus as a 13th sign of the zodiac, although this is not widely adopted in traditional astrology.

Ophiuchus has also been significant in the study of celestial mechanics and the history of astronomy. Its position between the constellations of Scorpius and Sagittarius, along with its association with healing and medicine, continues to captivate astronomers and sky watchers alike.

Ophiuchus Rise and Set Timetable

TimeElevation
Ophiuchus transit16:0848°
Moonrise, 99.8% illuminated 16:5146°
Sunset16:5746°
Civil sunset17:2444°
Astronomical observing session begins17:5441°
Ophiuchus set21:52
Astronomical observing session ends04:03-58°
Moonset06:07-48°
Ophiuchus rise10:21

Track Ophiuchus position throughout the night

← 27 September 2026 →

Elevation (degrees)
Time
Altitude
Azimuth
Shift the map to change the time and observe Ophiuchus changing position in the night sky.

Annual motion of Ophiuchus

Time
DateSun, 27 September 2026
Twilight start18:20
Twilight end03:26
Twilight duration9h 6m
Rise10:21
Set21:48
Elevation at transit48°
Transit time16:04
Equatorial coordinatesRA: 17h 24m 22s", Dec: -5° 07' 16s