They'd visited the Custer Institute.

Hence the ninth annual Astronomy Jamboree at the Custer Institute from Friday through next Sunday.

All this takes place at both the Custer Institute on Bayview Road in Southold and the local high school.

The Custer Institute, Southold, offers public observing sessions Saturday evenings with a variety of refractor and reflector telescopes.

Custer Observatory is an astronomical observatory owned and operated by Custer Institute.

In 1942, the Custer Institute was incorporated as a non-profit educational corporation in the State of New York.

Generally the Custer Institute is open every Saturday evening, from dusk until midnight.

The Custer Institute also allows its lecture hall to be used for lectures, in-service courses for educators, concerts, theatrical performances, and other events.

The Custer Institute in Southold (765-2626).

The first is at the Custer Institute in an area of Southold that is also notable for dark nighttime skies necessary for astronomy.