The device works by rotating the camera at the same rate as the station’s orbit — once every 90 minutes — compensating for the station’s motion to enable sharp photos of distant stars.
Related: Night sky, February 2025 ... If you're interested in taking your own impressive skywatching images, we have recommendations for the best cameras for astrophotography and the best lenses ...
Most people haven't witnessed a true night sky. They may have seen photos of starry skies full of cosmic light, but in person, they only see sprinklings of stars and the moon on a clear night.