Famous astronomer Charles Messier who first discovered the comet. And whom he first included in his famous Messier object list.
Whose identity is M1 or Crab Nebula It is a supernova remnant nature nebula. Supernova remnant are called those whose origin lies in the supernova of one star. It was first seen in the world in 1054. Whose current expanse is about 10 light years. Which is still growing. This increase rate is 1000km per second.
The image above was taken from the European Southern Observatory in Chile in 1999 and in 2012 Mt. Combination of pictures taken from Lemmon Sky Center.
Crab Nebula is located in the Taurus Terrace, 6500 light years away from the Earth.
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From @emamuddin