title: Rocket-borne baffled photometer: design and calibration.
abstract: The design of an interference filter twin photometer suitable for the observation by rocket of the daytime magnetospheric cleft aurora at 2761 A and 5200 A is presented. The two-stage baffling system test and the absolute calibration procedure are described with some detail.
authors.forename: G
authors.initials: G
authors.lastname: Marette
authors.forename: J C
authors.initials: JC
authors.lastname: Gérard