OK. The thing is there's nothing illegitimate in this case. Spanish authorities have full legitimacy. We are a standard democracy, integrated in EU and NATO since the eighties, our ellections are clean and our 1978 constitution was widely praised at the time for being a cornerstone of national reconcilliation.
The national government is held by PP, a right-wing party where a lot of corruption cases surfaced recently. There is much pressure about this, but the reality is that the prime minister was voted by a majority of parliament, so...
On the other hand, the referendum organizers voted it in an illegitimate regional parlament session. The regional president's party has been also corrupted to the roots. They
were trying to hide it all behind all this adventure.