Deep space
Butterfly Cluster
Open cluster · M6 · NGC 6405
Open cluster in Scorpius
Photo: Ole Nielsen · CC BY-SA 2.5 · Wikimedia Commons
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.
Description from Wikipedia (CC BY-SA 4.0).
In your sky
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Key facts
Distance
~1,600 light-years
Apparent mag.
+4.2
Apparent size
25′
Best seen with
Naked eye
Catalogue
M6 · NGC 6405
Did you know
- Listed as Messier 6 in the Messier catalogue, also known as NGC 6405.
- Found in the constellation Scorpius.
- Bright enough to see with the naked eye.
