I wrote about Carrington events here, just a few days before the solar cycle 23 unleashed some strong storm with an X1 flare the 28th October and several other CMEs the next days… Fortunately, the impact on earth was minimal: It was a mostly a miss. But it sparked some wonderful display of aurora in the last days of October. See here and here for some nice images. Still, the storm had an impact in the sky, more precisely, on the satellites in orbit that had either some unwanted reboot, or even in some case, thrusters being spontaneously triggered. One … Continue reading That Time When We Lost The Position Of Some Satellites