Sunspot drawing of 1988-6-20

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https://doi.org/10.7891/e-manuscripta-143657



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1988-06-20
08:00
Hs 1304.6:2234
https://doi.org/10.7891/e-manuscripta-143657
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
127 1 1 A 13 241
129 33 43 D -16 152
130 5 8 C 37 145
134 7 8 B 35 162
135 1 3 J -21 97
136 5 5 B -25 117
6 52 68