title: Ten-color Gegenschein-zodiacal light photometer.
abstract: A ten-color Fabry photometer was used during Skylab missions SL-2 and SL-3 to measure sky brightness and polarization associated with zodiacal light, background starlight, F region airglow, and spacecraft corona. A brief description is given of the design, calibration, and performance of the instrument.
authors.forename: J G
authors.initials: JG
authors.lastname: Sparrow
authors.forename: J L
authors.initials: JL
authors.lastname: Weinberg
authors.forename: R C
authors.initials: RC
authors.lastname: Hahn