Sunspot drawing of 1991-3-13

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https://doi.org/10.7891/e-manuscripta-145859



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1991-03-13
08:15
Hs 1304.6:3101
https://doi.org/10.7891/e-manuscripta-145859
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
108 2 3 J 15 5
109 11 11 C -8 3
110 90 56 E -22 346
115 41 26 C -26 332
116 2 4 J -11 336
117 48 38 D -8 286
118 2 5 J -22 275
121 6 4 B 18 356
8 202 147