Sunspot drawing of 1983-12-15

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https://doi.org/10.7891/e-manuscripta-140501



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1983-12-15
09:00
Hs 1304.6:887
https://doi.org/10.7891/e-manuscripta-140501
Observer : Marco Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
315 16 18 C 2 334
316 8 10 C -15 14
317 4 6 J -14 290
319 5 6 B -10 261
4 33 40