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The Steward Observatory optical monitoring program follows photometry and polarization for a number of blazars and makes data available to the public. Please visit their site HERE.
The SMARTS telescope (CTIO) optical monitoring site for Fermi blazars is HERE. This group monitors a selected list of Fermi blazars with data that will be public during the first yearare made public. Both light curves and photometric data are presented. - E. Ferrara
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