Sunspot drawing of 1961-1-22

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https://doi.org/10.7891/e-manuscripta-92524



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1961-01-22
08:30
Hs 1304.5:1243
https://doi.org/10.7891/e-manuscripta-92524
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
12 23 D -4.9 216.0
13 4 A -6.3 164.0
17 3 A 17.0 103.8
18 1 A 17.6 171.5
4 31