Sunspot drawing of 1977-2-13

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https://doi.org/10.7891/e-manuscripta-98867



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1977-02-13
08:30
Hs 1304.5:6218
https://doi.org/10.7891/e-manuscripta-98867
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
14 38 E -41.1 161.1
17 3 A 15.4 196.6
18 17 D 2.5 139.9
19 12 B 23.1 140.4
20 2 A 22.0 160.5
5 72