This is a 9 image animated .GIF from the SCGO Allsky1 camera system of the Ariane6 rocket fuel dump that many saw Tuesday evening from 22:32-22:38 EDT in the East and Northeast.
The images were reduced down to 1024×1024 before animating. Fuel dumps are always an interesting sight in the night sky.
You can see other images and videos at
https://www.theweathernetwork.com/en/video/SNCR4Kov