Original NASA release to the picture:

Ulysses after deployment from the Shuttle cargo bay, a combined upper-stage vehicle, consisting of an Inertial Upper Stage(IUS) together with a Payload Assist Module (PAM-S) which propelled Ulysses away from the Earth toward Jupiter. Image ID: S90-45984

source: "Ulysses Leaves Earth" (Description): archive copy at the Wayback Machine, (Image): archive copy at the Wayback Machine

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