| Ten Acre Observatory | |
| Organization: | Odyssey Astronomy Club |
| Location: | in Tribbey, Oklahoma (USA) |
| Coords: | 35.0886°N -97.1207°W |
| Established: | 1999 |
| Telescope1 Name: | Coulter Optics |
| Telescope1 Type: | 13.1" f 4.5 Newtonian on a Dobsonian mount |
| Telescope2 Name: | Starmaster |
| Telescope2 Type: | 20" f 4.5 Newtonian on a computerized goto/tracking Dobsonian mount |
Ten Acre Observatory (TAO) features a 20" f 4.5 Starmaster Telescope and a 13" Coulter Optics Telescope as its primary and secondary viewing instruments. It is open to the public by appointment. Services and use of equipment are at no cost. astronomical observatory It is owned and operated by Nick Lazzaro and is used by the Odyssey Astronomy Club as its primary viewing site. It is located in Tribbey, Oklahoma (USA) and serves the Central Oklahoma Area.