Sunspot drawing of 1977-8-15

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https://doi.org/10.7891/e-manuscripta-98753



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1977-08-15
08:00
Hs 1304.5:6370
https://doi.org/10.7891/e-manuscripta-98753
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
87 3 J 23.7 327.4
90 7 B 18.9 239.5
91 5 B 29.9 213.4
93 9 C 26.3 214.5
94 4 J 18.7 193.4
5 28