池谷 いけがや せき彗星 すいせいじゃなかったです
ikegaya·sekisuiseijanakattadesu

Noun
Desu Copula

The polite, past negative form of 池谷・関彗星

1. Was not Ikehaya-Sekisei.; Wasn't Ikehaya-Sekisei.

Past/Perfective
Negative
Polite
Casual Register