... Science User Portal . ... ESO, the European Southern Observatory . ... Travel to E-ELT Armazones . ... Star Clusters . ... ESO has taken a step towards the construction of a powerful new instrument тАФ the Enhanced Resolution Imager and Spectrograph (ERIS) тАФ to be installed on Unit Telescope 4 of ESOтАЩs Very Large Telescope at Cerro Paranal in northern Chile. ... ESO has given the go-ahead for the two collaborating institutes to start work and the project aims to achieve first light in late 2017....