Sunspot drawing of 1985-12-18

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https://doi.org/10.7891/e-manuscripta-141752



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1985-12-18
09:00
Hs 1304.6:1484
https://doi.org/10.7891/e-manuscripta-141752
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
106 5 8 B 3 29
107 6 9 B 1 24
108 8 16 D -9 4
109 4 8 B -9 12
4 23 41