Sunspot drawing of 1981-5-23

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https://doi.org/10.7891/e-manuscripta-139159



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1981-05-23
07:00
Hs 1304.6:122
https://doi.org/10.7891/e-manuscripta-139159
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
241 5 10 C 15 148
245 12 15 H -25 117
249 1 3 J -8 37
251 2 2 B -29 110
252 1 2 A 12 99
253 2 3 A -13 40
254 9 15 J 2 20
256 10 11 C 18 50
257 8 8 B 13 14
9 50 69