Sunspot drawing of 1983-6-21

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https://doi.org/10.7891/e-manuscripta-140327



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1983-06-21
12:00
Hs 1304.6:726
https://doi.org/10.7891/e-manuscripta-140327
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
145 1 1 A -27 178
148 9 10 B 18 160
149 18 18 H 14 157
150 20 22 C -11 156
152 12 12 C 13 121
154 33 30 D 17 104
155 8 12 C 19 87
157 15 20 D -9 69
8 116 125