Sunspot drawing of 1967-1-18

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https://doi.org/10.7891/e-manuscripta-95098



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1967-01-18
09:00
Hs 1304.5:3124
https://doi.org/10.7891/e-manuscripta-95098
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
17 27 E -24.3 130.8
18 7 C 21.7 107.3
20 20 C 15.4 46.8
21 1 A 25.8 45.5
22 1 A -15.5 48.7
23 3 J 14.9 23.8
6 59