Chile One Wide-Field Telescope

The Chile One Wide-Field Telescope is currently Slooh's largest southern hemisphere telescope. It is ideal to capture some of the finest objects in southern skies, including galaxies and nebulae as well as the fine southern globular clusters.

Telescope Specification


Manufacturer: Takahashi
Model: Sky90 Fluorite Doublet Apochromatic Refractor
Aperture: 3.54" (90mm)
Focal Length: 405mm (16")
Nominal Focal Ratio:  f/4.5
Focal Reducer: 0.8x
Effective Focal Ratio:  f/5.6
Slooh Designation Code: C1-UWF-90

CCD Camera Specification


Manufacturer:  Diffraction Limited SBIG
Model:  ST-2000XM
CCD Chip:  Kodak KAI-2020
Resolution:  1600×1200 (at Binning 1×1)
Pixel Size:  7.4x7.4μm
Sensor Size:  11.84×8.88mm
Peak QE:  55%
Anti-Blooming:  Non-Anti-Blooming

Camera Filter Specification


Manufacturer:  SBIG
Filter Types:
  • Luminance
  • Red
  • Green
  • Blue

Image Specification


Image Scale:  3.07 arcseconds/pixel (binned 1×1)
North Angle:  0° (North-Up, East-Left)
Angular Size:  1° 21' 49" x 1° 00' 22" (Field-Of-View)
Resolution: Binning 1×1: 1600×1200
Binning 2×2: 800×600
Binning 3×3: 533×400

Mount Specification


Manufacturer:  Software Bisque
Model:  Paramount ME (Mk4000)
Type:  German Equatorial Mount (GEM)
Instrument Capacity:  150lbs (60kg) (300lbs, 120kg total capacity)
Periodic Error:  Maximum 10 arcseconds peak-to-peak before PEC (Periodic Error Correction)

Enclosure Specification

Manufacturer:  AstroHaven Enterprises
Type:  Four Shutter Clamshell Dome
Size:  16ft (4.9 meters)
NOTE: The Chile One Ultra-Wide-Field is piggybacked on top of the Chile One Wide-FIeld Telescope so shares the same dome.