translate English to German: As of 2005 , it is the last supernova to have been unquestionably observed in our own galaxy , occurring no greater than 6 kiloparsecs or about 20,000 light-year s from Earth .
Sie fand in etwa 6.000 Parsec (20.000 Lichtjahr e) Entfernung im Sternbild Schlangenträger (Ophiuchus) statt.