Here are the International Astronomical Union's three letter codes for all 88 recognised Constellations. Can you Identify all of them?

And   Cap   Col   Dra   Lac   Mus   Psc

Tau  Ant   Car   Com   Eql   Leo   Nor  

Pup   Tel  Aps  Cas  CrA   Eri   Lep  

Oct   Pyx  TrA   Aql   Cen   CrB   For

Lib   Oph   Ret   Tri  Aqr  Cep   Crt  

Gem   LMi  Ori   Scl   Tuc  Ara   Cet  

Cru   Gru   Lup   Pav   Sco   UMa  Ari  

Cha   Crv   Her   Lyn   Peg   Sct  UMi  

Aur  Cir   CVn   Hor   Lyr   Per   Ser  

Vel  Bo    CMa   Cyg   Hya   Men   Phe  

Sex   Vir  Cae   CMi   Del   Hyi   Mic  

Pic   Sge   Vol  Cam   Cnc   Dor   Ind  

Mon   PsA   Sgr   Vul

Easy isn't it?

Now try the Bayer genitive form of each constellation!