Amateur observatory "ADONIS" Franky Dubois, Langemark Belgium

41 years observations of the sun 1982-2023


Graph of my own observations of the last three solar cycles , starting 1983 !
Blue line are monthly observations, red line 7 months smoothed sunspot numbers.


Observatory and instruments


Numerical expression of sunspot activity


Monthly Sunspotnumbers: Latest : July 2023


All kind of solar stuff


Variable Star Observations


Comet C/2020 F3 Neowise


Pages in Dutch *** Pagina's in het Nederlands

Fijnstof metingen in Langemark


Weerstation Langemark


Maquette van de Sint-Elooibrug in de Palingbeek



e-mail me Remarks and suggestions are welcome


Last updated: 26 May, 2022 !