40 minutes exposure, Kodak Ektachrome 200 slide film.
5" f/5 refractor, prime focus.
NGC 6101 is a fairly small and relatively faint globular cluster in Apus, about 4 degrees south-west of the bright star, alpha triangulum austrrale. It is visible as a small, unresolved patch of light in an 8" telescope, while some resolution is achieved in a 12" under very good conditions.