Elsinor H-25

Elsinor H-25 was a remote planet located in the galaxy's Alpha or Beta Quadrant.

History
In the 2260s, a Federation science team was stationed on Elsinor H-25.

In 2266, Andrew Calloway was severely injured on the planet and required emergency brain surgery. The starship USS Enterprise (NCC-1701) orbited Elsinor H-25 and picked up Calloway, after which Doctor Leonard McCoy spent many hours stabilizing his injuries. 

Notable residents

 * Andrew Calloway