Sunspot drawing of 1983-2-20

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https://doi.org/10.7891/e-manuscripta-140316



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1983-02-20
08:45
Hs 1304.6:638
https://doi.org/10.7891/e-manuscripta-140316
Observer : Michele Bianda
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
43 9 14 C -16 300
44 2 3 J -13 266
45 1 3 J -9 248
46 2 4 C 13 224
4 14 24