Star Cluster
A pair of open clusters in Perseus that sit close enough together to share one telescope field, both only a few million years old.
| Type | Star Cluster |
|---|---|
| Cluster type | Open |
| Distance from Earth | 7,500 ly |
| Diameter | 331,100,000,000,000 km |
| Mass | 7.36 × 10^33 kg |
| Apparent magnitude | 3.7 |
| Redshift | 0 |
| Discovered | 150 |
At 331,100,000,000,000 km across, Double Cluster is 25,984,931,722 times the diameter of Earth.
Its mass is 3,700 times the mass of the Sun.
The light reaching us from Double Cluster tonight left it around 7,500 years ago.
It has been on record since the year 150.
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