Las Campanas Observatory Exposure Time Calculator
Observatories of the Carnegie Institution for Science
Slit Spectroscopy
Fiber Spectroscopy
Direct Imaging
Instrument Specific ETCs
2022-05-17: Efficiencies/Zeropoints updated.
2020-11-30: Efficiencies/Zeropoints updated. For maintanance issues, contact D. Sanmartim at dsanmartim@carnegiescience.edu.
2016-10-18: This is a BETA Version written by Guillermo A. Blanc and Francesco Di Mille. It has not been fully validated. Use at your own risk.