This photograph of an occultation of Venus
was taken July 17, 1974, 0853.7 UT,
by Kay Sears, along with T. Fetterman and W.R. Lamond.
They used a 9-inch f/6 scope with a Dakin barlow,
yielding an effective f/19.2, or 173" focal length.
Film was Kodak Tri-X at 1/30 second.
Developed and printed by Kay Sears.