The Crab Nebula, M1 or NGC 1952 is a supernova remnant and pulsar wind nebula in the constellation of Taurus.
NGC6992
The Veil Nebula is a cloud of heated and ionized gas and dust in the constellation Cygnus. It constitutes the visible portions of the Cygnus Loop (radio source W78, or Sharpless 103), a large but relatively faint supernova remnant.
Supernova in M51
SN 2011dh is a supernova in the Whirlpool Galaxy (M51)
Supernova in NGC2655
Supernova in NGC 2655, a lenticular galaxy in the constellation Camelopardalis.
