Multicolor Active Galactic Nuclei Monitoring or MAGNUM was a project completed in 2008, that used a 2 meter (78.7 inch) telescope at Haleakala, Hawaii.
[1] The project started in 1995, and with telescope observations starting in 2000 for the scientific study of active galactic nuclei.
[2] It was run by the University of Tokyo, the National Astronomical Observatory of Japan, and Australian National University.
[1][3] MAGNUM was one of the telescopes that observed a cosmic explosion billions of years away in 2005.
[1] This was an astronomy project that used an automated telescope to look for AGN at visible and near infrared wavelengths.