From March 2014 to September 2016, the instruments in the Rosetta Plasma Consortium (RPC) onboard the European Space Agency's Rosetta spacecraft measured the plasma environment of comet 67P/Churyumov-Gerasimenko (67P/CG) in detail. Multiple datasets of these instruments show instances of asymmetric and …

A program that automatically detects auroral events in all-sky images taken by the all-sky camera of IRF has been written. Current programs that automatically detect the aurora in all-sky images using the RGB color system often miss strong aurora and sometimes interprets clouds as aurora. To improve …

Earth’s magnetic field, also known as the geomagnetic field, interacts with the solar wind, a stream of charged particles originating from the Sun. The interaction causes the geomagnetic field to undergo variations, called geomagnetic disturbances or geomagnetic activity. This bachelor thesis features …