Sunspot drawing of 1968-12-28

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https://doi.org/10.7891/e-manuscripta-95568



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1968-12-28
09:45
Hs 1304.5:3724
https://doi.org/10.7891/e-manuscripta-95568
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
563 3 J -5.4 147.6
569 40 F 16.4 102.6
571 18 D -26.8 89.3
572 8 D -12.1 173.9
574 7 B -15.7 130.0
576 3 J 15.3 36.9
577 3 J 10.7 36.6
578 3 B 14.4 138.1
578 3 A -22.1 104.6
580 3 A -16.8 19.9
9 91