Messenger Issue 164

The Messenger is a quarterly journal presenting ESO's activities to the public. The highlights of this edition published in June 2016 include:

• Adaptive Optics Facility Status Report: When First Light Is Produced Rather Than Captured
• Solar Activity-driven Variability of Instrument Data Quality
• A Stellar Census in NGC 6397 with MUSE
• First Results from the XXL Survey and Associated Multi-wavelength Programmes
• ALMACAL: Exploiting ALMA Calibrator Scans to Carry Out a Deep and Wide (Sub)millimetre Survey,Free of Cosmic Variance
• Light Phenomena over the ESO Observatories III: Zodiacal Light

Download The Messenger in PDF format or visit The Messenger website to subscribe and receive a free printed copy.

This Messenger is not available for sale.