This photo by Dave Whalley shows Dr. Chris Purton explaining the significance of the Summer Solstice minutes before the setting sun aligned with the Summer Solstice stone which is silhouetted on the lake with the heel stone in the foreground. 35 people gathered for the 2019 observance.
Dave's photo was taken with a Pentax K3 DSLR at f11, 1/80th sec. and ISO 400.