Sunspot drawing of 1989-2-18

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https://doi.org/10.7891/e-manuscripta-144607



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1989-02-18
09:45
Hs 1304.6:2455
https://doi.org/10.7891/e-manuscripta-144607
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
61 1 4 H 31 275
66 41 40 C -17 240
67 2 6 J 17 244
74 24 26 C 20 198
78 10 14 C 24 242
79 8 9 C 28 206
81 2 2 B 30 186
82 2 3 B 16 187
83 43 44 E -13 164
84 12 13 C -21 146
85 14 15 C 16 134
11 159 176