837 guest stars
Two guest stars shortly after Halley's comet. IC 443 proposed as a remnant; Stephenson and Green list 837 among spurious supernovae. Parked.
How it connects
This mystery we read it in
Stephenson and Green 2002, Historical Supernovae and their Remnants
This mystery has this clue
Remnant IC 443
This mystery has this clue
Two guest stars of 837