Sunspot drawing of 1991-12-27

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https://doi.org/10.7891/e-manuscripta-145965



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1991-12-27
08:30
Hs 1304.6:3345
https://doi.org/10.7891/e-manuscripta-145965
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
657 1 3 J -13 201
664 4 5 C -21 149
665 24 44 D -13 142
667 50 60 F -17 97
668 13 30 E -15 78
670 3 7 J -4 58
6 95 149