... Science User Portal . ... Travel to E-ELT Armazones . ... ESO Top 10 Astronomical Discoveries . ... For more information about upcoming astronomical events and ESO's activities around these events please contact the ESO education and Public Outreach Department . ... Information about these observations, observations with other telescopes, and major astronomical events is available on IAU Circulars, as communicated by observers and published by the IAU Central Bureau for Astronomical Telegrams (CBAT)...