M6 · open cluster
Butterfly Cluster
The Butterfly Cluster is an open cluster of stars in the southern constellation of Scorpius.
RA17h 40m 20sDec−32° 15' 14"
Image: Giuseppe Donatiello from Oria (Brindisi), Italy. CC0, via Wikimedia Commons.
Identity & coordinates
Identification
- Primary designation
- M6
- All designations
- M6 · NGC 6405 · Butterfly Cluster
- Object type
- Open Cluster
- Constellation
- Scorpius
- Best viewing
- Summer
Coordinates & physical
- Right ascension (J2000)
- 17h 40m 20s
- Declination (J2000)
- −32° 15' 14"
- Apparent magnitude (V)
- —
- Distance
- —
Visibility tonight
The science
The Butterfly Cluster is an open cluster of stars in the southern constellation of Scorpius. Its name derives from the resemblance of its shape to a butterfly.
Summary adapted from Wikipedia · CC-BY-SA-4.0
References
- SIMBAD Not resolved
- NED Fetched May 8, 2026 View in NED ↗
- Wikipedia Fetched May 8, 2026 Read full article ↗
1 merge conflict resolved
- coordinates: SIMBAD missing → NED used