Sunspot drawing of 1961-2-23

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https://doi.org/10.7891/e-manuscripta-92547



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1961-02-23
09:45
Hs 1304.5:1271
https://doi.org/10.7891/e-manuscripta-92547
Observer : Sergio Cortesi
Seeing (SIDC) : 5
Group Not Weighted Weighted Type Latitude Carrington Longit.
44 13 C -12.5 102.1
45 5 C -14.1 115.0
46 7 C -12.2 71.9
47 5 C 5.9 62.2
4 30