Sunspot drawing of 1990-2-18

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https://doi.org/10.7891/e-manuscripta-145339



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1990-02-18
09:15
Hs 1304.6:2768
https://doi.org/10.7891/e-manuscripta-145339
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
83 5 10 H 20 108
90 1 1 A -14 41
91 3 4 A 10 53
92 1 3 J -10 346
93 2 1 A 18 97
94 2 3 A -11 63
95 1 1 A -12 48
96 2 2 B -36 45
97 1 2 A -9 19
98 4 7 B -36 339
99 1 2 A -13 339
100 1 3 J -13 328
12 24 39