I've seen Mallorca from the Tibidabo mountain in Barcelona (the website states it is 194km). It required number of attempts for perfect atmosphere. This is an

I've seen Mallorca from the Tibidabo mountain in Barcelona (the website states it is 194km). It required number of attempts for perfect atmosphere. This is an independent observation from the Fabra Observatory: https://english.elpais.com/elpais/2015/03/03/inenglish/1425385176_371052.html https://english.elpais.com/elpais/2015/03/03/inenglish/14253...