Sunspot drawing of 1977-2-7

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https://doi.org/10.7891/e-manuscripta-98839



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1977-02-07
08:00
Hs 1304.5:6213
https://doi.org/10.7891/e-manuscripta-98839
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
13 2 A 27.0 253.5
1 2