Sunspot drawing of 1969-1-17

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https://doi.org/10.7891/e-manuscripta-95858



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1969-01-17
09:30
Hs 1304.5:3741
https://doi.org/10.7891/e-manuscripta-95858
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
7 23 D -15.0 255.1
13 21 D 10.8 259.4
16 3 J -13.7 176.3
18 6 H 13.8 150.8
19 22 J 14.1 138.5
20 7 D -16.8 133.6
22 18 D 23.8 129.0
23 2 A 17.1 186.2
8 102