How did this pilot take these milky way shots?
https://www.flickr.com/photos/131369250@N06/40075364314/https://www.flickr.com/photos/131369250@N06/25913624627/https://www.flickr.com/photos/131369250@N06/26914926448/I mean, it's clearly 20 sec, and the clouds/lights on the surface show as much. But then, I'd expect to see massive startrails due to the plane moving fast. Certainly faster than me standing still on a tripod on the surface and using the same 20sec. Sky tracker? Can these even be tuned for plane speeds?