Sunspot drawing of 1971-1-22

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https://doi.org/10.7891/e-manuscripta-96764



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1971-01-22
10:00
Hs 1304.5:4360
https://doi.org/10.7891/e-manuscripta-96764
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
20 52 32 D 17.5 223.2
21 21 18 D 17.6 211.4
22 27 20 D 9.6 191.7
23 31 22 D -13.0 191.0
25 1 1 A 12.3 259.2
26 4 2 A 27.1 223.2
27 8 7 C 12.9 165.8
7 144 102