Hi Karlsson & All,
Doh! I had a "seniors moment". Not Nu -- I meant to type Eta Orionis.
Of Eta at least, this SIMBAD query page lists all the identifiers.
http://simbad3.u-strasbg.fr/sim-id.p...&Ident=HR+1788
I tend to use Eta at this time of year as a seeing test as it is just under 1.5" separation.
Best,
Les D