Sunspot drawing of 1977-12-15

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https://doi.org/10.7891/e-manuscripta-98734



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1977-12-15
13:30
Hs 1304.5:6470
https://doi.org/10.7891/e-manuscripta-98734
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
168 4 C -24.8 139.3
172 5 C 24.1 89.8
174 1 A 15.1 52.7
175 2 A -22.9 59.3
176 1 A -28.4 56.7
177 1 A 13.9 36.6
6 14