Sunspot drawing of 1983-12-11

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https://doi.org/10.7891/e-manuscripta-140515



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1983-12-11
09:00
Hs 1304.6:884
https://doi.org/10.7891/e-manuscripta-140515
Observer : Marco Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
312 13 21 D -12 18
313 1 3 J -9 61
314 5 10 C 12 58
315 5 10 C 2 333
316 11 22 D -14 12
5 35 66