Sunspot drawing of 1978-2-4

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https://doi.org/10.7891/e-manuscripta-98928



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1978-02-04
08:30
Hs 1304.5:6510
https://doi.org/10.7891/e-manuscripta-98928
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
16 12 C -26.8 162.6
20 6 C 13.4 160.8
21 28 E 19.3 145.4
22 13 C -15.9 171.0
23 15 C -30.0 163.5
25 1 A 11.3 139.5
27 4 C 22.9 106.9
28 14 D -27.8 85.4
29+32 24 E 18.9 77.9
30 20 C 31.9 153.6
31 7 B 25.3 79.1
11 144