Sunspot drawing of 1973-11-23

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https://doi.org/10.7891/e-manuscripta-97408



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1973-11-23
08:45
Hs 1304.5:5238
https://doi.org/10.7891/e-manuscripta-97408
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
224 1 A 12.3 260.1
225 12 B -9.8 232.0
226 22 D -10.9 153.5
3 35