Sunspot drawing of 1979-2-18

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https://doi.org/10.7891/e-manuscripta-99406



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1979-02-18
09:45
Hs 1304.5:6823
https://doi.org/10.7891/e-manuscripta-99406
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
70 6 J -16.5 239.3
74 4 J -39.3 223.9
77 2 A 10.4 211.2
78 10 C 20.8 208.0
80 30 D 16.9 176.2
81 6 C 0.6 167.8
82 7 C -15.5 175.6
83 53 F 15.7 146.4
84 8 J -27.6 132.8
86 3 A -21.3 203.7
87 14 D 7.1 179.8
88 3 B 20.6 112.7
89 3 J -25.8 86.8
13 149