Observatories Like BTA-6
Special Astrophysical Observatory
Observatory
7.54
Good
Pulkovo Observatory
Observatory
6.90
Fair
Caucasus Mountain Observatory
Observatory
5.98
Mediocre
Terskol Observatory
Observatory
5.80
Mediocre
Very Large Telescope
Observatory
9.02
Excellent
Harvard-Smithsonian Center for Astrophysics
Observatory
8.83
Great
Paranal Observatory
Observatory
8.74
Great
European Extremely Large Telescope
Observatory
8.74
Great
National Astronomical Observatory of Japan
Observatory
8.56
Great
Giant Magellan Telescope
Observatory
8.56
Great
Mount Wilson Observatory
Observatory
8.56
Great
Vera C. Rubin Observatory
Observatory
8.46
Great
Palomar Observatory
Observatory
8.37
Great
Gran Telescopio Canarias
Observatory
8.37
Great
W. M. Keck Observatory
Observatory
8.33
Great
Roque de los Muchachos Observatory
Observatory
8.28
Great
Paris Observatory
Observatory
8.19
Great
LAMOST
Observatory
8.19
Great
Royal Observatory Greenwich
Observatory
8.19
Great
Anglo-Australian Telescope
Observatory
8.19
Great
Daniel K. Inouye Solar Telescope
Observatory
8.14
Great
National Astronomical Observatories of China
Observatory
8.10
Great
La Silla Observatory
Observatory
8.10
Great
Yerkes Observatory
Observatory
8.10
Great
