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Hi Robert
The Pyrenees are certainly a beautiful destination for a week’s holiday. I too am planning to go there (maybe in August), walk up, and maybe climb, to the Observatory.
Alternatively, I would recommend the Campo Imperatore Observatory on the Gran Sasso d’Italia at 2130 m above sea level. I live in L’Aquila, a town at the foot of the Gran Sasso, and I go up to the observatory and beyond from the base station of the cable car very often.
Come on, come to Abruzzo, I’ll guide you up to the Calderone glacier and to the western (2912) or eastern (2903 m) summit. These are the highest peaks on the Italian peninsula. Check out youtube and you will be convinced that it is worth it.
In any case, I wish you an excellent holiday.
Greetings
The phenomenon has been known for a long time.
An old description of the phenomenon can be found here:
SAO/NASA Astrophysics Data System (ADS)
Title: Sur les rayons lumineux divergents
Authors: Mascart, J.
Journal: Bulletin de l’Observatoire de Lyon, vol. 9, pp.151-155
Bibliographic Code: 1927BuLyo…9..151M
Since light pollution has erased the stars from the sky above my city, I now study atmospheric phenomena at twilight. I would appreciate some photographs of the sky at sunset or sunrise taken from your residence. If you want, please contact me at this address.
Greetings
Giovanni
L’Aquila city (Italy)
