Amateur observatory "ADONIS" Franky Dubois , Langemark Belgium
38 years observations of the sun 1982-2019


Graph of my own observations of the last two solar cycles , starting 1983 !
Red line are monthly observations, black line 7 months smoothed sunspot numbers.


Observatory and instruments


Numerical expression of sunspot activity


Counting sunspotgroups


Photography !


Daily Sunspotnumbers: Latest : July 17, 2018


Other interesting solar sites


List of special dates and events


Newsletter of the Belgian Solar Observers


All kind of solar stuff


Model of the International space Station 1:25


Radio meteor project



e-mail me Remarks and suggestions are welcome


Last updated: 25 december, 2019 !