Section dedicated to the SUN managed by our partner Stefano Zottele:
https://www.solephe.it/HomePg.php

Scientific Websites:
https://www.nasa.gov
https://www.esa.int/​
https://www.eso.org/public/

Solar Activity:
https://www.spaceweatherlive.com/it/attivita-solare
https://sdo.gsfc.nasa.gov/​

Archaeoastronomy:
https://www.alssa.it/index.php
http://www.archaeoastronomy.it

Amateur Astronomers' Associations:
https://www.uai.it/sito/
http://www.astropolaris.it

Astronomy Journals:
http://www.coelum.com

Freeware Programs:
https://stellarium.org/it/