Supernova 1604 or Kepler’s Supernova was a massive Ia type supernova which lies in the Ophiuchus constellation. It was first discovered on 9 October, 1604 in North of Italy. Later it was discovered and observed by famous German astronomer Johannes Kepler. He was born on 27 December, 1571 in Weil der Stadt town of Germany. He was well known for his achievements in astronomy.