Telescopes and Instruments
OAO has the 188cm telescope which was constructed by Grubb-Parsons Inc. as the primary telescope, and also has three other telescopes, the 91cm telescope,the 50cm telescope and the 65cm solar telescope.
The 188cm telescope
Instruments
The 91cm telescope
The 91cm telescope stopped common user observation with 2003 October.Now,it is remodelling as the wide field camera (OAO-WFC).