Sunspot drawing of 1983-3-4

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https://doi.org/10.7891/e-manuscripta-140331



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1983-03-04
09:00
Hs 1304.6:646
https://doi.org/10.7891/e-manuscripta-140331
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
47 3 5 J 16 181
48 4 3 B -12 178
50 3 6 J -18 158
52 14 20 D -16 125
56 9 14 C -20 117
58 21 29 D -9 138
59 3 2 A -12 109
7 57 79