Sunspot drawing of 1973-3-6

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https://doi.org/10.7891/e-manuscripta-97512



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1973-03-06
09:15
Hs 1304.5:5002
https://doi.org/10.7891/e-manuscripta-97512
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
59 5 H 7.0 142.6
64 12 J -16.9 20.1
66 4 B 6.9 130.1
3 21