[3] The observatory was inaugurated in May 1991 and was the first astronomical center in the Balearic Islands autonomous community and province of Spain.

[6] Researchers at the OAM have found asteroids that are potential threats to Earth, such as the 2006 WH1.

[3] In 2008, asteroid number 128036, discovered at the OAM in 2003, was named after Spanish tennis player Rafael Nadal.

[9] There is a large planetarium attached to the observatory, which often runs performances open to the public.

The Open University is one of a number of academic institutions which runs summer schools at the observatory.