Sunspot drawing of 1978-4-2

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https://doi.org/10.7891/e-manuscripta-98971



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1978-04-02
10:30
Hs 1304.5:6550
https://doi.org/10.7891/e-manuscripta-98971
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
81 5 J -14.9 68.2
82 3 A 24.1 148.7
83 2 A 9.8 94.6
84 6 B -18.1 76.5
85 2 A 19.3 70.9
86 5 B 30.4 61.8
87 2 A 15.1 36.1
88 14 D 20.6 32.8
8 39