It is a german-Spanish Astronomical Center at Calar Alto which is positioned in the Sierra de Los Filabres (Andalucía, Southern Spain) part of north of Almeria. It is a combined operating center which has collaboration of Max-Planck-Institut für Astronomie (MPIA) in Heidelberg, Germany, and the Instituto de Astrofísica de Andalucía (CSIC) in Granada/Spain.
This observatory contains three major telescopes which have the apparatus of 1.23m, 2.2m and 3.5m. There is another major telescope of 1.5m which is situated on the mountain and it is operated under control of observatory of Madrid.
Calar Alto Astronomical Observatory contains 33 active members including Director, Astronomers, Department Heads, Engineers and Administrative staff. The observatory includes five main departments namely Astronomy, Computer, Electronics, Mechanics and Maintenance.
The observatory maintains information regarding ‘Meteors and Fireballs’ where all important and observed meteoroids all over the world are mentioned. For example, it shows the detail report about the previous years observed Meteors and Fireballs: 1. Impressive fireball over south Spain on December 11th 2016 2. Fireball above the Mediterranean Sea on November 18th 2016 3. Fireball over the north of Africa on November 15th 2016 4. Fireball over Andalucía on October 26th 2016 5. Slow fireball with cometary orbit over Granada on September 30th 2016