The Crab Nebula M 1 is the remnant of a supernova in Taurus that was recorded by Chinese and Arab astronomers in 1054.
At the center of the nebula lies a Pulsar, a rotating neutron star, which emits pulses of radiation from gamma rays to radio waves with a spin rate of 30.2 times per second.

M1 2007 Dec 15, J87 La Cañada (c) J. Lacruz
This is a sum of three exposures 5 min each, taken through an LX200R 40cm telescope working at F10. Image stabilized with AOL, camera STL2001E, the resolution is 1.2 arc sec per pixel.
North is Up, East left.