Sunspot drawing of 1989-4-3

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https://doi.org/10.7891/e-manuscripta-144624



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1989-04-03
12:00
Hs 1304.6:2491
https://doi.org/10.7891/e-manuscripta-144624
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
139 8 11 B 22 32
145 1 2 A 17 338
148 16 28 D -19 314
148A 23 45 D -19 304
151 1 1 A 37 306
152 5 7 B -22 271
154 3 3 A 19 37
156 2 4 B 37 18
157 8 9 C -12 294
158 1 3 J -22 279
159 1 3 J -15 249
11 69 116