Sunspot drawing of 1988-3-9

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https://doi.org/10.7891/e-manuscripta-143804



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1988-03-09
08:15
Hs 1304.6:2147
https://doi.org/10.7891/e-manuscripta-143804
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
44 4 8 C 17 141
46 1 5 B -21 164
49 3 5 B 23 140
51 15 28 D 29 97
4 23 46