Sunspot drawing of 1983-12-9

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https://doi.org/10.7891/e-manuscripta-140494



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1983-12-09
09:30
Hs 1304.6:883
https://doi.org/10.7891/e-manuscripta-140494
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
308A 6 4 B -2 20
312 21 22 D -13 18
313 2 2 A -9 61
314 19 19 D 11 59
315 5 8 C 1 330
316 7 6 B -16 12
6 60 61