I had already placed a fictional terrestrial planet (Danzig) in that space for the Orion's Arm scenario, so I've had to make that planet a moon of 55 Cancri f.

Here is the new moon in orbit around the f planet.
http://img127.imageshack.us/img127/2995/danzigiy4.png

A moon in this location could conceivably be habitable, although it would be tidally locked.

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