Sunspot drawing of 1971-2-8

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https://doi.org/10.7891/e-manuscripta-96776



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1971-02-08
09:00
Hs 1304.5:4373
https://doi.org/10.7891/e-manuscripta-96776
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
30 5 D 9.2 62.5
38 4 J -5.8 13.8
39 16 D 24.4 50.1
42 3 J 18.3 297.3
43 8 B 14.0 332.2
44 2 A 7.4 314.7
6 38