Important notice about STEREO Behind

STEREO Daily Browse Images and Plots

These plots include data derived from the STEREO space weather beacon telemetry, which is a very low rate, highly compressed data stream broadcast by the spacecraft 24 hours per day. These data are used for space weather forecasting. Because the data are produced in real-time, the calibrations may not match those used for the final data product.

1-day in-situ, 7-day in-situ
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The IMPACT, PLASTIC, and SECCHI instruments on Ahead were turned off for superior solar conjuction on 20 March 2015. Data from these instruments will be unavailable until July 2015.

Last Revised: Saturday, 09-Jun-2018 18:18:00 EDT
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