Sunspot drawing of 1991-3-31

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https://doi.org/10.7891/e-manuscripta-145986



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1991-03-31
08:30
Hs 1304.6:3115
https://doi.org/10.7891/e-manuscripta-145986
Observer : Andrea Manna
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
133 4 15 D -24 182
139 3 10 G 17 175
141 3 7 G -15 144
144 33 44 D 14 58
145 28 31 D -10 56
147 2 4 C 21 93
148 3 8 C -8 181
150 7 11 D 10 29
8 83 130