Kata Kunci Pencarian:
- Teleskop Ritchey–Chrétien
- Teleskop
- RC Optical Systems
- Infrared Space Observatory
- Teleskop Luar Angkasa Hubble
- Seimei (teleskop)
- Gran Telescopio Canarias
- Teleskop Subaru
- Teleskop Ruang Angkasa Spitzer
- Observatorium Lowell
- Ritchey–Chrétien telescope
- Liverpool Telescope
- George Willis Ritchey
- Faulkes Telescope North
- Henri Chrétien
- Faulkes Telescope South
- New Technology Telescope
- Reflecting telescope
- Aristarchos 2.3 m Telescope
- 3.6m Devasthal Optical Telescope
