1806-20 is a position in the sky. At this position can be found several interesting things:
- 18h 06m −20° B1950.0 coordinates
- 1806-20 cluster, the star cluster containing SGR 1806-20
- LBV 1806-20, a luminescent blue variable star
- SGR 1806-20, a soft gamma repeater pulsar
| disambiguation page lists articles associated with the same number.
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