Sunspot drawing of 1968-1-13

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https://doi.org/10.7891/e-manuscripta-95472



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1968-01-13
09:45
Hs 1304.5:3431
https://doi.org/10.7891/e-manuscripta-95472
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
3 6 13 D -23.8 92.1
4 1 3 J 17.6 100.4
5 1 1 A -29.2 74.0
7 25 29 C 8.8 72.6
8 1 3 J -24.7 57.5
9 34 32 D 12.2 60.6
10 31 26 H 19.2 32.0
11 9 7 B 14.7 38.2
12 1 2 A -10.2 51.6
13 1 2 A 25.4 64.5
10 110 118