61-B -- Atlantis mission No. 2 (23rd shuttle program mission overall)
Nov. 26-Dec. 3, 1985
Landing site: Edwards AFB, Calif.
Crew: Brewster H. Shaw, Jr. (2), Commander; Bryan D. O'Connor (1), Pilot; Mary L. Cleave (1), Mission Specialist 1; Sherwood C. Spring (1), Mission Specialist 2; Jerry L. Ross (1), Mission Specialist 3; Rodolfo Neri Vela (1), Payload Specialist 1; Charles D. Walker (3), Payload Specialist 2
Of interest: 2nd night launch; Experiments required two space walks by Spring and Ross lasting five hours, 32 minutes, and six hours, 38 minutes, respectively. IMAX camera up for 4th time, attached to cargo bay.
More info from NASA