That's correct Robert.
Here's a list of names and registration numbers from Wikipedia for the eight planes that were built:
Aircraft names and registrations
Atalanta (c/n 740; G-ABPI, renamed Arethusa; later VT-AEF, DG453)
Andromeda (c/n 741; G-ABTH)
Arethusa (c/n 742; G-ABTI, renamed Atalanta; later DG451)
Artemis (c/n 743; G-ABTJ; later DG452)
Athena (c/n 744; G-ABTK)
Astraea (c/n 784; G-ABTL; later DG450)
Amalthea (c/n 785; G-ABTG)
Aurora (c/n 786; G-ABTM, later VT-AEG, DG454)
https://en.wikipedia.org/wiki/Armst...rth_AtalantaI see this list isn't consistent with the SG catalogue descriptions I gave earlier.
