IC 405
IC 405 (also known as the Flaming Star Nebula, SH 2-229, or Caldwell 31) is an emission and reflection nebula in the constellation Auriga north of the celestial equator, surrounding the bluish, irregular variable star AE Aurigae. It shines at magnitude +6.0. Its celestial coordinates are RA 05h 16.2m dec +34° 28′. It is located near the emission nebula IC 410, the open clusters M38 and M36, and the K-class star Iota Aurigae.
| Emission nebula | |
|---|---|
| reflection nebula | |
White light image of the Flaming Star Nebula showing the "smoke" of reflection nebula | |
| Observation data: J2000 epoch | |
| Right ascension | 05h 16m 05s |
| Declination | +34° 27′ 49″ |
| Distance | 1500 ly |
| Apparent magnitude (V) | +6.0? |
| Apparent dimensions (V) | 37′ × 10′ |
| Constellation | Auriga |
| Physical characteristics | |
| Radius | 2.5 ly |
| Designations | Flaming Star Nebula, Caldwell 31, Sharpless 229 |
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.
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