title: Guiding of a balloon-borne coronagraph.
abstract: The acquisition and tracking of the sun by the pointing control system of a balloon-borne infrared coronagraph operating at an altitude of 36 km is described. A three-axis stabilization system was used. The coronagraph pointing precision achieved was +/-10 sec of arc.
authors.forename: T C
authors.initials: TC
authors.lastname: Li