The Crab Nebula

An image taken through a narrow-band (1%) filter at 1.64um corresponding to a transition of iron in the gas phase; presumably, the iron was produced in the supernova explosion. The filamentary structure of the nebula is clearly seen.
Fe II Emission

Continuum emission from the Crab Nebula. The pulsar is the lower of the central pair of stars. The green line indicates the path of the asteroid 1089 Tama through all three frames
J, H, and Fe II