Sunspot drawing of 1973-3-16

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https://doi.org/10.7891/e-manuscripta-97506



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1973-03-16
12:45
Hs 1304.5:5011
https://doi.org/10.7891/e-manuscripta-97506
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
64 2 A -18.4 15.9
69 27 D -7.5 338.5
70 10 E -12.6 329.2
72 5 B 5.5 310.0
73 1 A -12.7 319.3
74 1 A 15.6 222.5
6 46