Optical Imagers

Mosaic Imagers

• Dark Energy Camera (DECam): Prime Focus 519 megapixel camera on the Blanco 4m Telescope
• SOAR Optical Imager (SOI) on the SOAR 4.1m Telescope

Single-CCD Imagers

• CFCCD: Cassegrain Focus CCD Imager on SMARTS 0.9m Telescope
• Y4KCam: 4kX4k optical imager on SMARTS CTIO/Yale 1.0m Telescope
• Schmidt NFCCD Newtonian Focus CCD Imager (only available for U. Michigan Observers)

Exposure Times

• DECam Exposure Time Calculator is available on the DECam webpage
• Exposure Time Calculator (outdated for SMARTS 0.9m - see link below)
• SMARTS Exposure Time Calculator

Photometric Standard References

• UBVRI standards
  • The CADC Astronomical Standards Page is home to the list of Stetson Photometric Standard Fields
     
• Sloan/SDSS filter standards
  • Links to ugriz magnitudes, astrometric, and spectral properties

Filters

• Filter Overview
• Filter list (all filters up to and including 4x4-inch, sorted by wavelength)
• Filters - 3 & 4 inch (for SOAR, Schmidt, 0.9-m imaging)
• Measurements in 2001
• Transmission measurement setup, ver. 2001

CCDs and Controllers

• CCDs
• ARCON ARray CONtroller for CCDs.
• Smart Motor Controllers

Historical Information on Sky Conditions

• Record of Sky Conditions at Tololo

Retired Instruments

• 4m MOSAIC II Prime Focus 8K Mosaic CCD Imager (retired March 2012)
• 4m BTC Prime Focus 4K Mosaic CCD Imager (retired July 1999)
• 4m PFCCD Prime Focus CCD Imager (retired July 1999)
• 1.5m ASCAP Automated Single Channel Photometer