NGC 1555, sometimes known as Hind's Variable Nebula,[2] Sh2-238 or HH 155, is a variable nebula 4 light years across,[3] illuminated by the star T Tauri, located in the constellation Taurus.
It is 400 light years away from Earth, and has a magnitude (B)[4] of 9.98.
It is also in the second Sharpless catalog as 238.
It is a Herbig–Haro object.
[5] The nebula was discovered on October 11, 1852, by John Russell Hind.