Sunspot drawing of 1974-6-3

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https://doi.org/10.7891/e-manuscripta-97727



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1974-06-03
06:15
Hs 1304.5:5385
https://doi.org/10.7891/e-manuscripta-97727
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
76 14 A -13.5 204.8
77 42 D -13.6 166.1
78 2 B -14.4 215.5
3 58