Sunspot drawing of 1991-5-21

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https://doi.org/10.7891/e-manuscripta-145954



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1991-05-21
08:00
Hs 1304.6:3159
https://doi.org/10.7891/e-manuscripta-145954
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
236 1 2 A -8 205
239 21 26 E -12 148
240 6 3 B -27 152
241 3 2 B 14 202
243 19 22 D 17 142
244 8 8 J -28 104
247 1 1 A 21 160
248 5 4 A -20 158
249 1 1 A -26 125
250 2 2 B 5 88
10 67 71