Sunspot drawing of 1982-7-31

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https://doi.org/10.7891/e-manuscripta-139754



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1982-07-31
14:00
Hs 1304.6:480
https://doi.org/10.7891/e-manuscripta-139754
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
317 6 6 C 7 110
320 20 22 D -10 62
321 7 11 D 16 41
322 8 5 A -12 103
4 41 44