Sunspot drawing of 1991-2-7

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https://doi.org/10.7891/e-manuscripta-145878



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1991-02-07
09:00
Hs 1304.6:3075
https://doi.org/10.7891/e-manuscripta-145878
Observer : Michele Bianda
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
39 8 24 E -12 144
42 1 3 J -14 128
43 1 3 J -17 121
46 2 4 J 20 119
50 1 3 J 23 107
51 7 15 D -10 66
52 3 6 J -22 51
55 5 5 J 14 28
56 10 23 H 15 11
57 1 1 A 9 27
58 1 3 J -14 339
11 40 90