South Pole Webcam snapped a shot at the top of the hour seems, to align with the schumann resonance.
https://www.usap.gov/videoclipsandmaps/spwebcam.cfm
https://web.archive.org/web/20230618205429/https://www.usap.gov/videoclipsandmaps/SouthPoleWebcam/spole00014.jpg?=69557975.533
https://schumann-resonance.earth/
https://web.archive.org/web/20230618205709/https://schumann-resonance.earth/Data/Now/2023/06/18/22/main.jpg
Eric Hecker describing Green Laser at South Pole base
https://www.youtube.com/watch?v=jx19Pgo2DFU&t=2109s