Musa Khiramanovich Manarov (Russian: Муса Хираманович Манаров, born March 22, 1951 in Baku, Azerbaijan SSR) is a Soviet Azerbaijani cosmonaut who has spent 541 days in space.He was a colonel at the Soviet Air Force and graduated from Moscow Aviation Institute with an engineering diploma in 1974. Musa was selected as a cosmonaut on December 1, 1978.From December 21, 1987 to December 21, 1988 he flew as flight engineer on Soyuz TM-4. The duration was 365 days 22 hours 38 minutes.