Sunspot drawing of 1958-1-17

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https://doi.org/10.7891/e-manuscripta-87954



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1958-01-17
09:30
Hs 1304.5:318
https://doi.org/10.7891/e-manuscripta-87954
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
11 10 15 D -12.8 21.8
12 1 6 J 23.0 3.4
17 8 16 D -22.9 351.0
19 4 10 C -23.8 327.1
20 11 16 D 22.3 347.4
21 5 13 D 27.3 329.5
22 9 11 C 13.8 324.2
23 46 54 F -8.8 313.9
25 45 74 F 11.7 300.8
26 3 5 C 20.9 281.5
27 2 3 B 22.8 308.6
28 5 13 F 22.1 254.5
29 1 2 A -15.5 260.4
30 2 7 D -14.4 4.9
31 13 18 E 23.2 234.5
32 1 3 J 4.8 243.2
33 4 8 C -19.3 229.2
34 1 2 A -11.6 231.1
18 171 276