Thanks for all of the great responses! This morning around 4:30 am I went to the nest with to cans of spray, that were suppose to reach up to 27’. I saw somewhere that it was best to use a red light so they would not be alarmed. I put plastic wrap over the end of my flashlight and gave it a quick shot of red spray paint. Walk out under the nest and can’t really see the opening, even though I know it probably has two for a nest this size. After 1/2 a can they started hitting my jacket and I ran away and got the other can. It had a faulty valve or pressure loss and I ended up chased into the garage with one hornet. It would not give up and I could only get 5-6 foot of spray, but the biggest problem was that it would not kill the bee! There were at least 5-6 charges from that bee, where I sprayed it.it would turn and then come right back. I was suited up but still gun shy from the last stings.
I love that shot gun idea but only have a 20 ga single shot and 4 or 5 shot shells. There is a dead tree and the house is close by, so I am worried about fire. I have never seen a bee that did not drop instantly from this. I usually use soap and water but Hornets are different for me.