Purpose of Muslim observatories is to make astronomical tables and to invent astronomical instruments.
<u>Explanation:</u>
There has been great contribution by the Muslim scientists in the field of science and technology. The scientist who is said to be the first to invent a telescope is also a Muslim scientist only.
It has been said that the major purpose of the Islamic or Muslim observatories was to make astronomical tables. The developments of great and developed and modern astronomical instruments which were used for great observations also was done in the era of Islamic world.
Are you in BAVEL? Anyways, I haven't read your module for this or what ever so I'm gonna go off of my head and you could change it or whatever. Also is this a argumentative essay or is it a informative essay???