We are pleased to announce that the Sixth Oukaimeden International School for Astrophysics (OISA) will take place in Cadi Ayyad University, Marrakech, Morocco from Monday, April 13th to Friday, April 17, 2020. OISA is a thematic doctoral school proposed by the Laboratory of High Energy Physics and Astrophysics (LPHEA) and the Oukaimeden Observatory. This edition will be organized in the framework of VLIRUOS project, a cooperation program between Antwerp University (Belgium) and Cadi Ayyad University (Morocco). The scope of this edition of the school covers the following fields:

• Spectroscopy of variable stars
• Near Earth Objects spectroscopy
• Radial Velocity for exoplanets
• Spectroscopy instrumentation
• Practical sessions of data processing

More information on http://marrakech-astro.uca.ma/oisa2020/