Sunspot drawing of 1981-4-29

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https://doi.org/10.7891/e-manuscripta-139027



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1981-04-29
07:00
Hs 1304.6:101
https://doi.org/10.7891/e-manuscripta-139027
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
209 3 7 J 15 31
210A 13 12 J 2 20
211 17 9 B 3 28
213 1 3 J 21 342
214 2 3 B 4 344
215 5 5 B -14 17
216 3 5 B 5 96
217 3 3 B 26 26
218 1 2 A -8 334
219 6 6 C 8 318
220 1 3 J 16 311
11 55 58