Sunspot drawing of 1983-2-28

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https://doi.org/10.7891/e-manuscripta-140258



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1983-02-28
09:15
Hs 1304.6:643
https://doi.org/10.7891/e-manuscripta-140258
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
45 1 3 J -8 248
46 7 11 B 12 227
47 12 16 C 15 181
48 15 24 C -15 179
50 1 3 J -18 160
51 8 13 B -8 233
52 6 13 G -16 125
53 1 3 J -11 262
54 1 1 A 20 133
9 52 87