Measures of positions and areas of sun spots and faculae on photographs taken at Greenwich, Dehra Dun, and Melbourne

Measures of positions and areas of sun spots and faculae on photographs taken at Greenwich, Dehra Dun, and Melbourne
with the deduced heliographic longitudes and latitudes, 1878-1881.
Details
- OL Work ID
- OL15293716W
Subjects
FaculaeTablesLatitudeSunspotsLongitude