Unexplained lights and formations

I was outside tonight watching the sky with my grandfather when we both witnessed in the Northeast section of the sky of Wisconsin three lights that appeared and started forming a triangular shape and disappeared. I began watching the sky intently trying to see if I could record a video of the objects. One of the objects was brighter than the others and I captured it on video disappearing out of the video. All three objects moved as if they were defined gravity behaving in ways that planes were drones could not behave. I checked flight trackers to see if it was possible for airplanes to be doing this but there were no airplanes in that section of Wisconsin at this time. Me and my grandfather both witnessed this and could not explain it at this time. The objects would spontaneously disappear and reappear in different sections of the sky but would regroup as they moved. The brightest object at one point before I could capture it on video emitted different objects out of it that formed in about 10 bright objects into a circle then switch to a triangular formation before disappearing again. The objects reappeared around 10 other times before completely disappearing and I went inside my grandfather's apartment to go to sleep. I'm filing this report before I go to sleep because I am genuinely frightened and cannot explain it. Hopefully others witnessed it however I am not sure. I have an edited version of the video where the brightness was increased on the brightest object however I am having trouble uploading the image in this report therefore I will be able to send it if someone contacts me. Thank you.