Sunspot drawing of 1988-7-20

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https://doi.org/10.7891/e-manuscripta-143897



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1988-07-20
07:15
Hs 1304.6:2261
https://doi.org/10.7891/e-manuscripta-143897
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
152 1 3 J -15 161
153 67 70 E -22 149
157 6 4 B -15 146
159 8 8 B -21 85
162 5 3 B -17 73
163 8 13 B -17 172
164 7 13 B -22 134
7 102 114