and there it was!
Bigger than it appears in the photo. Due to a now-recovering bad back I haven't walked around there for awhile, and the boys have been busy. But the nights are now down to 28 - 32 degrees every night, and I see several dead hornets lying in the grass below the nest. They'll likely all freeze to death during the coming Winter and then I'll cautiously knock the nest down with a long pole in the Spring. Right now, some are still coming and going.
DG