Sunspot drawing of 1990-3-9

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https://doi.org/10.7891/e-manuscripta-145127



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1990-03-09
11:00
Hs 1304.6:2784
https://doi.org/10.7891/e-manuscripta-145127
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
129A 8 13 C -13 220
130 13 15 D 29 185
131 18 23 C -11 178
133 2 1 A 32 174
134 1 3 J 21 104
135 2 4 B -23 114
6 44 59