EP260812a: AZT-22 optical upper limit

GCN Circular reporting optical follow-up observations of the Einstein Probe fast X-ray transient EP260812a with the AZT-22 1.5-m telescope at Maidanak Astronomical Observatory. No optical counterpart was detected; upper limits of 23.05-23.92 mag were obtained in B and R filters across five epochs starting 2026 August 12. Data reduced with STDWeb, calibrated against Gaia DR3.

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