Sunspot drawing of 1981-1-19

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https://doi.org/10.7891/e-manuscripta-139029



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1981-01-19
09:00
Hs 1304.6:17
https://doi.org/10.7891/e-manuscripta-139029
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
10 4 3 B 4 348
16 1 1 A -18 335
22 32 25 D 4 279
24 19 19 D -22 250
25 2 4 J 17 240
26 8 13 C 14 238
27 1 3 J 8 194
7 67 68