Sunspot drawing of 1981-12-16

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https://doi.org/10.7891/e-manuscripta-139402



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1981-12-16
09:00
Hs 1304.6:294
https://doi.org/10.7891/e-manuscripta-139402
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
644 1 3 J 18 282
645 3 14 D -15 273
647 1 6 H -7 260
649 6 26 E -8 290
653 1 6 J 11 204
5 12 55