Sunspot drawing of 1983-6-17

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https://doi.org/10.7891/e-manuscripta-140295



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1983-06-17
08:00
Hs 1304.6:723
https://doi.org/10.7891/e-manuscripta-140295
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
144 2 2 A -11 248
145 1 3 J -27 180
147 15 17 C -7 173
148 19 16 D 18 163
149 16 16 C 13 159
150 17 19 D -13 155
6 70 73