Super Explosion in 16th Century Caught by Subaru in 21st Century
When a person looks up into the nighttime sky, they see stars, planets, and galaxies across a sea of darkness. The movements of planets and seasonal variations to the constellations have been relatively the same for thousands of years. What if the sky changed overnight and a new star brighter than anything else appeared? Would it be noticed if it happened in the 16th century?
More info: Subaru telescope web page