Sunspot drawing of 1974-8-6

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https://doi.org/10.7891/e-manuscripta-97886



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1974-08-06
07:15
Hs 1304.5:5445
https://doi.org/10.7891/e-manuscripta-97886
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
127 5 H -9.1 18.6
128 9 D -6.3 5.9
129 2 A -18.7 348.2
3 16