De Stella Nova
Kepler wrote the book following the appearance of the supernova SN 1604 , also known as Kepler's Supernova . 
<triplet> supernova <subj> SN 1604 <obj> model item <subj> Kepler's Supernova <obj> model item <triplet> SN 1604 <subj> supernova <obj> instance of <triplet> Kepler's Supernova <subj> supernova <obj> instance of