Sunspot drawing of 1991-2-1

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https://doi.org/10.7891/e-manuscripta-145796



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1991-02-01
10:45
Hs 1304.6:3069
https://doi.org/10.7891/e-manuscripta-145796
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
28 13 26 D -18 201
29 12 18 H -10 200
36 59 47 E -14 185
38 1 2 A -15 155
39 70 63 E -13 142
40 6 7 C 12 189
42 1 3 J -14 127
43 5 5 C -17 120
46 12 14 C 19 121
47 5 4 B 4 111
49 1 1 A 14 166
50 5 9 C 21 109
51 1 3 J -10 60
52 2 7 H -22 54
14 193 209