ESO Exposure Time Calculators


Documentation and Tools

News and Notes

June 25, 2025

P116 Phase 2, see the change log


Facility
Imaging
Spectroscopy
La Silla EFOSC2 SUSI WFI EFOSC2 HARPS NIRPS
Paranal UT1 FORS2 (old ETC) FORS2 (old ETC) KMOS
FORS2 (new ETC)
Paranal UT2 VISIR UVES (new ETC) UVES (old ETC) UVES-FLAMES
GIRAFFE VISIR
Paranal UT3 SPHERE-IRDIS SPHERE-ZIMPOL X-SHOOTER SPHERE-IFS
CRIRES
Paranal UT4 HAWK-I MUSE
ERIS
Paranal ICCF ESPRESSO
Paranal VLTI GRAVITY MATISSE VisCalc CalVin
Paranal VISTA VIRCAM 4MOST
Paranal VST OmegaCAM
ELT ELT imaging ELT spectroscopy

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