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!