Well, someone running a nearby Dyson Swarm might as well run a couple thousand telescopes when they are at it, even to just make really sure no habitats are end

Well, someone running a nearby Dyson Swarm might as well run a couple thousand telescopes when they are at it, even to just make really sure no habitats are ending up in collisions with comments and extrasystem asteroids. In spare time such system could be used to look for interesting stuff in other systems, possibly like a big synthetic telescope of some sort.