Aristarchos 2.3 m Telescope
| Location(s) | Kalavryta Municipality, Achaea, Western Greece, Decentralized Administration of Peloponnese, Greece |
|---|---|
| Coordinates | 37°59′08″N 22°11′54″E / 37.98554°N 22.19838°E |
| Altitude | 2340 meters |
| Diameter | 2.3 m (7 ft 7 in) |
| Website | helmos |
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The Aristarchos 2.3 m Telescope is a Ritchey-Chrétien telescope at the Chelmos Observatory on Mount Chelmos, Greece. It is the largest telescope in the country and it had its first light test in 2005. It is operated by the Institute for Astronomy, Astrophysics, Space Applications and Remote Sensing of the National Observatory of Athens.