Sunspot drawing of 1999-5-31

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https://doi.org/10.7891/e-manuscripta-150390



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1999-05-31
07:00
Hs 1304.6:5636
https://doi.org/10.7891/e-manuscripta-150390
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
136 7 9 C 19 335
138 3 3 A 25 349
139 8 11 D 18 346
141 3 4 J 15 305
142 7 9 J -30 293
144 10 11 C -25 293
145 24 33 D 15 285
147 8 6 B -15 293
148 1 1 A -26 251
9 71 87