Sunspot drawing of 1977-6-30

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https://doi.org/10.7891/e-manuscripta-98882



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1977-06-30
09:30
Hs 1304.5:6325
https://doi.org/10.7891/e-manuscripta-98882
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
59 6 C -21.1 204.7
60 37 D 13.9 144.9
63 2 A 21.6 94.9
3 45