Sunspot drawing of 1960-12-23

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https://doi.org/10.7891/e-manuscripta-91856



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1960-12-23
09:00
Hs 1304.5:1216
https://doi.org/10.7891/e-manuscripta-91856
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
636 4 5 C 10.7 245.7
637 12 11 D -21.1 240.9
638 3 6 D 13.8 156.8
639 4 2 A 6.2 260.5
4 23 24