Amazing photo of endless sunsets is believed to be the longest exposure in existence

Eight years and one month ago, a Master of Fine Art student at the University of Hertfordshire fitted a beer can with photographic paper and created a low-tech pinhole camera. She then placed the can on a telescope at the university’s Bayfordbury Observatory and eventually forgot about the project.

Now, the resulting photograph has been rediscovered – and it may be the longest-exposure photo ever taken.

More: Amazing photo of endless sunsets is believed to be the longest exposure in existence