Sunspot drawing of 1983-10-18

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https://doi.org/10.7891/e-manuscripta-140495



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1983-10-18
08:30
Hs 1304.6:837
https://doi.org/10.7891/e-manuscripta-140495
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
275 11 30 D 21 75
278 1 3 J -11 26
279 8 14 G -4 17
280 2 4 J -16 332
281 5 10 C -11 355
5 27 61