To move to a cluster directory, simply enter:
> ngc 2287
when you are in bda
> ic 1805 will put you in the cluster IC 1805
> anon mel022 will transport you to the Pleiades directory.
These motions are possible if cdpath has been set to ../.. as explains in 6.3.1. A few aliases have been created (see Appendix G) to reach the directory of nearby clusters, and you can create more.