Aims: The solar wind pressure is an important parameter of space weather. which plays a crucial role in the interaction of the solar wind with the planetary plasma environment. Here we investigate the possibility of determining a solar wind pressure proxy from Rosetta magnetic field data. measured deep inside the induced magnetosphere of comet 67P/Churyumov-Gerasimenko. https://www.roneverhart.com/Tasoliesi-Hackman-RTL-6-levyinen-15kW/