Libra Constellation
Libra (The Scales)
Libra is one of the 13 ecliptic constellations, symbolizing a set of scales and representing balance, justice, and harmony. It is unique as the only zodiac constellation representing an inanimate object. Though not particularly bright, Libra is an important constellation with deep mythological and historical connections.
Key Features
- Bright Stars: Libra contains a few notable stars:
- Zubenelgenubi (Alpha Librae): A binary star system and the brightest star in Libra, representing one of the balance's pans.
- Zubeneschamali (Beta Librae): The second brightest star, which some observers describe as having a greenish hue.
- Zubenelhakrabi (Gamma Librae): A giant star located in the central region of the constellation.
- Deep-Sky Objects: While Libra is relatively sparse in deep-sky objects, it includes:
- NGC 5897: A faint globular cluster located approximately 40,000 light-years away.
Mythological Background
Libra is often associated with the scales of justice held by Astraea, the goddess of justice, who is represented by the neighboring constellation Virgo. This association emphasizes Libra’s symbolic connection to fairness and balance. In Roman mythology, Libra was linked to the goddess Dike, another representation of justice.
In Babylonian astronomy, Libra was associated with balance and fairness, and its stars were sometimes considered part of the claws of the scorpion (Scorpius). The scales were later recognized as a distinct constellation, embodying the concept of equilibrium.
Cultural Significance
Libra’s association with balance and justice has made it a symbol in various cultures and philosophies. Its name, meaning "scales" in Latin, reflects its importance in marking the balance of day and night during the autumnal equinox in the Northern Hemisphere. Although the equinox has shifted due to precession, Libra’s symbolism endures in astrology and cultural references.
Libra Rise and Set Timetable
| Time | Elevation | |
| Libra transit | 16:02 | 39° |
Moonrise, 95.2% illuminated ![]() | 16:40 | 38° |
| Sunset | 17:45 | 33° |
| Civil sunset | 18:13 | 30° |
| Twilight start | 18:45 | 26° |
| Libra set | 21:17 | |
| Astronomical observing session begins | 00:50 | -42° |
| Moonset | 02:57 | -63° |
| Astronomical observing session ends | 03:34 | -66° |
| Libra rise | 10:43 |
Track Libra Position Throughout the Night
← 26 August 2026 →
| Time | |
| Altitude | |
| Azimuth |
Nebulae in the constellation Libra
Annual motion of Libra
| Date | Thu, 27 August 2026 |
| Twilight start | 19:13 |
| Twilight end | 02:55 |
| Twilight duration | 8h 42m |
| Rise | 10:43 |
| Set | 21:13 |
| Elevation at transit | 39° |
| Transit time | 15:58 |
| Equatorial coordinates | RA: 15h 11m 56s", Dec: -13° 59' 11s |
| Magnitude | - |
| Constellation |
The vertical axis shows the hours of the day, while the horizontal axis spans the days of the year.
The reddish area marks when the constellation is above the horizon. The white line shows when it reaches its highest point in the sky. View detailed visibility information in a table with rise, transit, and set times for each date.
Acknowledgements
We gratefully acknowledge the International Astronomical Union (IAU) for defining and standardizing the official constellation boundaries used in celestial mapping.
Special thanks to Sky & Telescope Magazine and contributors Roger Sinnott and Rick Fienberg for producing the charts and tables. Alan MacRobert’s constellation patterns were influenced by the work of H. A. Rey and adjusted to align with earlier traditions.

