Sunspot drawing of 1981-12-26

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https://doi.org/10.7891/e-manuscripta-139390



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1981-12-26
09:45
Hs 1304.6:300
https://doi.org/10.7891/e-manuscripta-139390
Observer : Roberto Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
661 5 10 J 12 116
664 10 10 B -24 101
665 9 7 J -24 79
666 31 30 D 21 84
667 3 3 B -10 77
668 4 3 A 11 107
670 18 15 C -20 65
671 6 5 C -11 41
8 86 83