Links:
[1] http://www.aavso.org/category/tags/ch-cyg?order=title&sort=asc
[2] http://www.aavso.org/category/tags/ch-cyg?order=name&sort=asc
[3] http://www.aavso.org/category/tags/ch-cyg?order=last_updated&sort=asc
[4] http://www.aavso.org/category/tags/ch-cyg?order=type&sort=asc
[5] http://www.aavso.org/aavso-special-notice-320
[6] http://www.aavso.org/aavso-special-notice-294
[7] http://www.aavso.org/aavso-special-notice-268
[8] http://www.aavso.org/aavso-special-notice-267
[9] http://www.aavso.org/aavso-alert-notice-454
[10] http://www.aavso.org/vsots_chcyg
[3] 
