Sunspot drawing of 1981-5-12

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https://doi.org/10.7891/e-manuscripta-139075



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1981-05-12
07:30
Hs 1304.6:112
https://doi.org/10.7891/e-manuscripta-139075
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
224 3 6 C 11 291
230 1 2 A 17 291
231 4 4 A -18 274
232 1 3 J 13 237
233 69 42 D 9 230
234 3 4 B -6 233
236 1 1 A 20 266
237 25 26 D 11 209
238 2 4 J -7 200
239 7 6 C -22 256
240 26 31 D 12 158
241 14 16 D 15 148
242 2 2 A 19 209
243 4 4 B 6 159
14 162 151