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LSST Exposure Time Calculator |
Please click through to one of the versions of the ETC.
The latest version, ETC 4.3, will automatically execute in 15 seconds.
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Version 4.3 |
Latest version of the ETC. Uses the sky brightness data from the CTIO .9m, DLS, UKIDDS, and SDSS to model the background. Please use this version unless you require version 4.1 for compatibility with previous calculations. |
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Version 4.1 |
Previous version of the ETC. The sky brightness values in this version are now obsolete. |
Last updated May 15, 2008; Perry Gee