Sunspot drawing of 1979-1-31

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https://doi.org/10.7891/e-manuscripta-99438



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1979-01-31
09:00
Hs 1304.5:6810
https://doi.org/10.7891/e-manuscripta-99438
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
36 4 5 J 19.9 110.0
42 2 5 C -13.6 110.4
43 7 13 C -25.6 90.6
44 1 5 C -24.8 75.2
51 2 3 J 15.0 9.8
52 17 25 D 7.2 1.0
53 14 17 C 20.2 1.9
55 3 8 C 12.8 356.5
56 8 13 D -12.4 339.3
57 2 3 B 17.0 50.2
58 1 2 A -36.3 359.3
59 2 3 A -18.9 326.8
12 63 102