Sunspot drawing of 1991-3-15

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https://doi.org/10.7891/e-manuscripta-145741



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1991-03-15
10:45
Hs 1304.6:3103
https://doi.org/10.7891/e-manuscripta-145741
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
108 1 2 A 15 5
109 1 2 A -7 3
110 64 56 E -22 345
115 41 30 C -26 329
116 2 4 J -11 335
117 66 66 E -9 286
118 4 6 C -22 273
122 2 2 A -8 267
123 1 3 J -12 243
124 1 3 J 21 260
125 2 6 J -1 228
126 3 8 C -16 222
12 188 188