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Many other planned missions were canceled due to the late development of the shuttle, and the Challenger and Columbia disasters. Four missions were cut short by a day or more while in orbit: STS-2 (equipment failure), [ 22 ] STS-35 (weather), [ 102 ] STS-44 (equipment failure), [ 193 ] and STS-83 (equipment failure, relaunched as STS-94 ).
NGC 3132 (also known as the Eight-Burst Nebula, [2] the Southern Ring Nebula, [2] or Caldwell 74) is a bright and extensively studied planetary nebula in the constellation Vela. Its distance from Earth is estimated at 613 pc or 2,000 light-years .
IC 5146 (also Caldwell 19, Sh 2-125, Barnard 168, and the Cocoon Nebula) is a reflection [2] /emission [3] nebula and Caldwell object in the constellation Cygnus. The NGC description refers to IC 5146 as a cluster of 9.5 mag stars involved in a bright and dark nebula.
NGC 3918 is a bright planetary nebula in the constellation Centaurus, nicknamed the "Blue Planetary" or "The Southerner". It is the brightest of the far southern planetary nebulae. This nebula was discovered by Sir John Herschel in March 1834 and is easily visible through small telescopes.
NGC 281, IC 11 or Sh2-184 is a bright emission nebula and part of an H II region in the northern constellation of Cassiopeia and is part of the Milky Way's Perseus Spiral Arm. This 20×30 arcmin sized nebulosity is also associated with open cluster IC 1590 , several Bok globules and the multiple star, B 1.
STS-109 (SM3B) was a Space Shuttle mission that launched from the Kennedy Space Center on 1 March 2002. It was the 108th mission of the Space Shuttle program, [1] the 27th flight of the orbiter Columbia [1] and the fourth servicing of the Hubble Space Telescope. [2]
STS-61-C was the 24th mission of NASA's Space Shuttle program, and the seventh mission of Space Shuttle Columbia.It was the first time that Columbia, the first space-rated Space Shuttle orbiter to be constructed, had flown since STS-9.
NGC 6210, sometimes also known as the Turtle Nebula, [4] is a planetary nebula located in the constellation Hercules, approximately 5.4 ± 1.3 kly from the Sun. [2] It is positioned about 38° above the galactic plane at a vertical distance of about 3.3 kilolight-years (1 kpc) and thus has little extinction from intervening interstellar dust ...