1-7 of 7 Books
Beobachtungen über die Sonnenfackeln und Sonnenflecken
Beobachtungen über die Sonnenfackeln und Sonnenflecken
By Johann Hieronymus Schröter

Measures of positions and areas of sun spots and faculae on photographs taken at Greenwich, Dehra Dun, and Melbourne
By Solar Physics Committee (Great Britain)
Sulle protuberanze solari e le facole
Sulle protuberanze solari e le facole
By Angelo Secchi
On the relation of the luminous prominences to the faculae of the Sun
On the relation of the luminous prominences to the faculae of the Sun
By Brayley, E. W.
The solar faculae
The solar faculae
By George Ellery Hale
Sur le mouvement des facules solaires
Sur le mouvement des facules solaires
By W. Stratonoff