Sunspot drawing of 1988-6-30

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https://doi.org/10.7891/e-manuscripta-143756



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1988-06-30
09:00
Hs 1304.6:2244
https://doi.org/10.7891/e-manuscripta-143756
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
137 1 3 J -26 85
138 2 6 J -17 29
140 36 80 E -19 5
140A 6 16 D -19 17
141 2 6 J 26 351
142 15 34 D 13 360
6 62 145