Sunspot drawing of 1977-2-16

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https://doi.org/10.7891/e-manuscripta-98739



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1977-02-16
13:00
Hs 1304.5:6221
https://doi.org/10.7891/e-manuscripta-98739
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
14 13 E -41.9 155.2
18 9 C 3.1 139.5
19 10 B 20.6 143.0
21 3 J -19.5 57.3
22 2 A 10.8 143.8
5 37