Sunspot hand drawing data system
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Sunspot Database
Sunspot query
Inquiry through year
Inquiry through sunspot number
Advanced Search
Sunspot statistics
Single sunspot area
Sunspot Radius Curve
The total area of sunspots changes
Change in the number of sunspots
Advanced search
start date
Single sunspot area
latitude
radius
Sunspot group number
end date
Maximum sunspot area
longitude
Search
Date
Sunspot group number
longitude
latitude
type
Single sunspot area
Maximum sunspot area
radius
Sunspot number