NGC 1555
NGC 1555, sometimes known as Hind's Variable Nebula, Sh2-238 or HH 155, is a variable nebula 4 light years across, illuminated by the star T Tauri, located in the constellation Taurus. It is 400 light years away from Earth, and has a magnitude (B) of 9.98. It is also in the second Sharpless catalog as 238. It is a Herbig–Haro object. The nebula was discovered on October 11, 1852, by John Russell Hind.
| Reflection nebula | |
|---|---|
| Variable nebula | |
A near-infrared image of NGC 1555 | |
| Observation data: J2000.0 epoch | |
| Right ascension | 4h 21m 57.1s |
| Declination | +19° 32′ 7″ |
| Constellation | Taurus |
| Designations | Hind's Nebula, Sharpless 238 |
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