Sunspot drawing of 1989-1-17

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https://doi.org/10.7891/e-manuscripta-144739



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1989-01-17
09:00
Hs 1304.6:2423
https://doi.org/10.7891/e-manuscripta-144739
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
10 1 3 J -15 336
12 51 60 E -32 301
13 3 7 D -30 280
17 68 70 E 22 270
19 3 6 C -20 252
20 13 20 D 17 247
23 1 1 A -16 271
24 4 7 C 20 206
25 1 3 J 21 173
9 145 177