Sunspot drawing of 1981-3-19

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https://doi.org/10.7891/e-manuscripta-139109



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1981-03-19
08:00
Hs 1304.6:71
https://doi.org/10.7891/e-manuscripta-139109
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
124A 9 16 D 13 263
135 12 16 H 8 208
137 6 6 B 14 191
138 7 14 D 19 176
139 9 12 D 11 166
140 5 10 D 14 144
6 48 74