Sunspot drawing of 1991-12-31

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https://doi.org/10.7891/e-manuscripta-145885



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1991-12-31
08:30
Hs 1304.6:3349
https://doi.org/10.7891/e-manuscripta-145885
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
665 5 14 D -13 143
667 43 66 F -16 95
668 32 52 F -14 76
670 3 8 J -5 58
671 12 21 D -12 8
672 1 2 A -8 81
673 1 3 J -10 348
674 1 3 J -16 343
8 98 169