Sunspot drawing of 1973-1-4

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https://doi.org/10.7891/e-manuscripta-97531



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1973-01-04
09:15
Hs 1304.5:4949
https://doi.org/10.7891/e-manuscripta-97531
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
2 4 A -16.8 174.7
3 4 B -12.9 147.4
4 18 C 6.4 142.0
5 25 D 12.9 114.6
6 1 A 17.6 201.2
5 52