Sunspot drawing of 1974-3-29

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https://doi.org/10.7891/e-manuscripta-97873



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1974-03-29
07:45
Hs 1304.5:5326
https://doi.org/10.7891/e-manuscripta-97873
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
34 3 J -9.3 54.3
36 8 B 6.9 38.1
2 11