Robotic Autonomous Observatories: A Historical Perspective

Table 2

Range of RAO’s main instrument apertures (adapted from [46]).

Description	Number	Percentage
≤ 0.25 m	77	44.3%
0.25 m < aperture ≤ 0.50 m	37	23.0%
0.50 m < aperture < 0.75 m	14	8.6%
0.75 m < aperture < 1.00 m	17	9.8%
1.00 m < aperture < 1.25 m	7	4.0%
> 1.25 m	18	10.3%