Sunspot drawing of 1992-4-21

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https://doi.org/10.7891/e-manuscripta-146737



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1992-04-21
13:00
Hs 1304.6:3442
https://doi.org/10.7891/e-manuscripta-146737
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
155 1 3 J -15 109
159 1 3 J 7 98
161 17 23 E -26 43
163 4 8 C -18 87
167 53 52 D -16 6
168 23 23 C -19 349
169 17 24 H 10 342
170 3 5 B -17 341
171 4 7 C -10 333
172 1 3 J -22 312
10 124 151