Sunspot drawing of 1974-10-29

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https://doi.org/10.7891/e-manuscripta-97746



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1974-10-29
07:00
Hs 1304.5:5522
https://doi.org/10.7891/e-manuscripta-97746
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
172 3 J -5.7 26.5
173 6 B -13.6 37.3
175 2 A 6.1 4.4
3 11