Sunspot drawing of 1981-3-4

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https://doi.org/10.7891/e-manuscripta-139199



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1981-03-04
13:00
Hs 1304.6:60
https://doi.org/10.7891/e-manuscripta-139199
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
93 26 35 C -16 101
96 1 1 A 17 103
98 22 29 C -12 74
104 12 15 D -12 53
105 3 6 C -3 37
107 8 13 D 20 125
108 3 6 C 3 19
109 2 1 A -7 101
111 26 38 E -4 359
112 3 7 J 10 6
114 7 11 D 8 71
115 6 10 C 12 343
116 1 3 J 24 340
13 120 175