ESO Exposure Time Calculators     

Documentation and Tools News and Notes
  • Frequently Asked Questions
  • Formula Book
  • Database of efficiency profiles
  • Previous ETC versions:
  • SkyCalc Sky Model Calculator
    - with advanced Almanac
    - command-line interface skycalc_cli
  P111 - Sept 15, 2022
Second release: ERIS

P111 - August 31, 2022
New ETCs first release:
ERIS and HARPS/NIRPS
ESO Exposure Time Calculators
Imaging Spectroscopy
La Silla EFOSC2  SUSI  WFI  SOFI  EFOSC2  HARPS/NIRPS  FEROS  SOFI 
Paranal UT1 FORS2 FORS2  KMOS 
Paranal UT2 VISIR UVES  UVES-FLAMES   GIRAFFE  VISIR 
Paranal UT3 SPHERE-IRDIS   SPHERE-ZIMPOL   X-SHOOTER   SPHERE-IFS   CRIRES
Paranal UT4 HAWK-I  ERIS MUSE  ERIS
Paranal ICCF   ESPRESSO
Paranal VISTA VIRCAM  4MOST
Paranal VST OmegaCAM   
ELT ELT  ELT 
VLTI GRAVITY  MATISSE  VisCalc  CalVin 

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