Sunspot drawing of 1978-4-12

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https://doi.org/10.7891/e-manuscripta-99086



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1978-04-12
08:30
Hs 1304.5:6558
https://doi.org/10.7891/e-manuscripta-99086
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
88 15 D 19.1 32.0
92 19 D -27.0 5.6
93 3 B -28.4 332.1
96 3 A -34.3 305.8
98 19 C 14.2 292.8
100 8 B 18.7 301.7
101 11 C 16.7 278.4
102 3 J -44.3 253.6
8 81