[1] Soon after the foundation of the Faculty of Science at Istanbul University in 1933, German astronomer Erwin Finlay-Freundlich was invited to direct the Department of Astronomy.

The instrument arrived in Istanbul disassembled in twelve pieces on September 25, 1936, and was installed in the observatory's dome.

[1] The air and light pollution in downtown Istanbul, where the observatory is located, make it impossible to conduct night observations.

For conducting night sky studies, the department initiated a project to establish an observatory at the Onsekiz Mart University in Çanakkale, which was realized in 2002.

Used for the observation of the structure and interesting phenomena of Sun's chromosphere supported with a monochromator (H-alpha Lyot filter) and a camera (Canon F-1) placed on the focal plane.