Two NASA CubeSats teamed up on an impromptu optical, or laser, communications pointing experiment. The laser beam is seen as a brief flash of light close to the center of the focal plane, to the left of Earth’s horizon.
![](https://3c1703fe8d.site.internapcdn.net/newman/csz/news/tmb/2019/nasademoscub.gif)
Source: https://phys.org/news/2019-04-nasa-demos-cubesat-laser-capability.html