Sunspot drawing of 1977-12-11

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https://doi.org/10.7891/e-manuscripta-98854



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1977-12-11
08:30
Hs 1304.5:6467
https://doi.org/10.7891/e-manuscripta-98854
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
164 7 D -21.1 201.2
168 40 E -26.2 134.2
170 3 B -17.2 190.5
171 2 B 1.9 159.0
172 10 C 24.1 91.4
173 4 A -22.5 71.3
174 3 A 15.2 51.1
7 69