Sunspot drawing of 1981-12-19

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https://doi.org/10.7891/e-manuscripta-139397



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1981-12-19
09:15
Hs 1304.6:296
https://doi.org/10.7891/e-manuscripta-139397
Observer : Sergio Cortesi
Seeing (SIDC) : 1
Group Not Weighted Weighted Type Latitude Carrington Longit.
647 1 3 J -7 261
653 2 7 J 13 203
655 1 3 J -9 246
657 4 12 G -8 184
658 1 1 A -14 156
659 1 3 J -19 258
660 2 6 J 11 123
661 2 8 G 13 109
8 14 43