Sunspot drawing of 1973-3-5

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https://doi.org/10.7891/e-manuscripta-97595



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1973-03-05
08:15
Hs 1304.5:5001
https://doi.org/10.7891/e-manuscripta-97595
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
59 9 H 6.3 142.6
64 3 J -17.9 19.1
2 12