CHI-3 is an ASA 1000, a 1-m telescope with a Ritchey Chretien design, situated in the Rio Hurtado valley, Chile. It is equipped with a set of Astrodon astrophotography filters and Sloan photometric filters. This large aperture telescope is an excellent choice for both scientific applications and astrophotography of deep-sky objects.
This telescope was discontinued in January 2023. Only One-Click Observations and Observation Bundles are available.
- Aperture: 1000 mm (39 inches)
- Focal Length: 6800 mm
- F-ratio: 6.8
- Mount: ASA Alt-Az Direct Drive Mount
- Minimum elevation: 30 degrees
- Model: FLI PL 16803 (spec sheet)
- Pixel Size: 9 μm
- Pixel Array: 4096 x 4096
- Pixel Resolution: 0.27 arcsec/pixel
- Field of View: 19 x 19 arcmin
- Filters(50mm square): Astrodon LRGB 2GEN, Ha (3nm), SII (3nm), OIII (3nm), Sloan r, Sloan g, Sloan i
- Available binning: 1, 2
- Position angle: This can vary depending on which guide star is used.
- Observatory name: El Sauce Observatory
- Location: Río Hurtado, Coquimbo Region, Chile
- Coordinates: 30.472529° S, 70.762999° W (Google maps)
- Elevation: 1525 m
- Average seeing: 1.3'' - 1.8''
- MPC code: X02