A shot of the fine Open Cluster, NGC 6405 or M 6, The Butterfly Cluster, in the tail of Scorpius.
Shot through a thin layer of high cloud and developing fog.
Takahashi TSA-102 with a Takahashi Reducer fitted and operating at a Focal Length of 514mm or f/5.0 giving a FOV of 1.7 degrees x 1.7 degress.