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IC 405 is an emission/reflection nebula in the constellation Auriga, surrounding the bluish star AE Aurigae. It shines at magnitude +6.0. Its celestial coordinates are RA 05h 16.2m dec +34° 28′. It surrounds the irregular variable star AE Aurigae and is located near the emission nebula IC 410, the open clusters M38 and M36, and the K-class star Iota Aurigae. The nebula measures approximately 37.0' x 19.0', and lies about 1,500 light-years away from Earth. It is believed that the proper motion of the central star can be traced back to the Orion's Belt area. The nebula is about 5 light-years across.

IC 405
Emission nebula
reflection nebula
FlamingStarHunterWilson.jpg
White light image of the Flaming Star Nebula showing the "smoke" of reflection nebula
Observation data: J2000 epoch
Right ascension 05 16 05
Declination +34° 27′ 49″
Distance 1500 ly
Apparent magnitude +6.0?
Apparent dimensions 37′ × 10′
Constellation Auriga
Physical characteristics
Radius 2.5 ly
Designations Flaming Star Nebula, Caldwell 31, Sharpless 229
See also: Lists of nebulae

IC 405 (also known as the Flaming Star Nebula, SH 2-229, or Caldwell 31) is an emission/reflection nebula in the constellation Auriga, surrounding the bluish star AE Aurigae. It shines at magnitude +6.0. Its celestial coordinates are RA 05 16.2 dec +34° 28′. It surrounds the irregular variable star AE Aurigae and is located near the emission nebula IC 410, the open clusters M38 and M36, and the K-class star Iota Aurigae. The nebula measures approximately 37.0' x 19.0', and lies about 1,500 light-years away from Earth. It is believed that the proper motion of the central star can be traced back to the Orion's Belt area. The nebula is about 5 light-years across.