Sunspot drawing of 1983-3-18

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https://doi.org/10.7891/e-manuscripta-140337



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1983-03-18
10:45
Hs 1304.6:656
https://doi.org/10.7891/e-manuscripta-140337
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
65A 9 6 B 13 1
66 39 42 D -12 306
67 28 32 C -7 282
68 1 3 J -11 270
69 2 2 B 11 303
70 5 9 D -13 230
6 84 94