Reflections on NGC 6188 . ... Credit Copyright: David Malin ( AAO ), AATB Explanation: NGC 6188 is an interstellar carnival of young blue stars , hot red gas , and cool dark dust . Located 4000 light years away in the disk of our Galaxy, NGC 6188 is home to the Ara OB1 association , a group of bright young stars whose nucleus forms the open cluster NGC 6193 . ... Open cluster NGC 6193 formed about three million years ago from the surrounding gas, and appears unusually rich in close binary stars. ...