22 July will feature the longest solar eclipse of the 21st Century. At 6 minutes and 39 seconds, it will be an impressive sight for those able to see it. Visible from mainland Asia, Japan's Ryukyu Islands, and through the Pacific Ocean, the experience for people in those regions will be incredible.

To allow astronomers and the public all around the world to witness this spectacle, there are online options available to anyone with a computer and internet connection. Find out how to view the eclipse here