Sunspot drawing of 1991-1-23

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https://doi.org/10.7891/e-manuscripta-145988



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1991-01-23
08:30
Hs 1304.6:3061
https://doi.org/10.7891/e-manuscripta-145988
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
17 4 7 C -14 340
20 8 12 C 21 276
25 7 8 B 26 219
26 7 7 B 10 213
28 45 44 E -18 204
29 19 26 D -10 195
32 1 1 A -8 265
33 1 1 A -19 245
34 8 7 B -8 215
9 100 113