Sunspot drawing of 1974-4-16

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https://doi.org/10.7891/e-manuscripta-97906



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1974-04-16
07:45
Hs 1304.5:5344
https://doi.org/10.7891/e-manuscripta-97906
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
40 36 F -13.0 185.7
42 24 D -14.5 165.0
43 22 D -9.3 183.8
44 3 A -8.5 56.4
45 3 J 10.2 198.1
46 3 B 7.5 182.2
47 2 A -12.9 125.6
7 93