Sunspot drawing of 1989-2-17

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https://doi.org/10.7891/e-manuscripta-144596



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1989-02-17
08:30
Hs 1304.6:2454
https://doi.org/10.7891/e-manuscripta-144596
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
61 7 20 H 31 279
66 41 50 E -17 240
67 3 6 C 18 243
74 24 32 D 20 197
78 9 20 D 24 243
79 13 16 C 29 207
81 4 7 B 31 186
82 2 5 B 16 187
83 15 20 D -13 163
84 5 7 J -21 149
85 2 4 J 15 136
11 125 187