Longitudinal separation angle (absolute value) between the spacecraft’s magnetic footpoint at the Sun and the flare location versus the spacecraft’s distance. The different colours represent different spectral shapes of the events. Spectra determined with EPT only are contoured in black. The events with a type II radio burst are diamond shaped. Not all events are included in the plot, as we are unable to calculate the separation angle for some events due to missing information on the flare location.