Sunspot drawing of 1981-12-25

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https://doi.org/10.7891/e-manuscripta-139380



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1981-12-25
10:30
Hs 1304.6:299
https://doi.org/10.7891/e-manuscripta-139380
Observer : Roberto Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
661 1 4 J 12 115
664 2 6 J -25 102
665 2 5 J -23 79
666 24 30 D 21 83
667 1 3 J -8 71
668 1 2 A 10 109
669 2 3 B 14 79
7 33 53