I was reading this Ars Technica bit: One night of telescope time rules out black hole/dark matter idea
Hyper Suprime Cam That's one heck of a camera.The hardware is something called the Hyper Suprime-Cam, an 870 megapixel monster attached to an 8 meter telescope. Configured properly, it could capture the entire Andromeda galaxy in a single frame, and it can do so about every 90 seconds.