For the record, here's my official analysis of the progression.

F#m7b5 - Fmaj7 - Am6/E - Am/E - Dbdim5 - Db7dim5 - Bm7b5 - B7b5 - F - Fmaj7 - Eaug5/B - E/B

As for keys and all that, **** I dunno . . .