SN 1885A
SN 1885A ( also S Andromedae ) was a supernova in the Andromeda Galaxy , the only one seen in that galaxy so far by astronomers . 
<triplet> SN 1885A <subj> supernova <obj> instance of <subj> Andromeda Galaxy <obj> part of <triplet> supernova <subj> SN 1885A <obj> model item <triplet> galaxy <subj> Andromeda Galaxy <obj> model item