Sunspot drawing of 1971-1-27

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https://doi.org/10.7891/e-manuscripta-96752



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1971-01-27
12:30
Hs 1304.5:4364
https://doi.org/10.7891/e-manuscripta-96752
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
20 5 D 16.3 220.5
21 7 G 18.0 213.2
22 8 C 9.5 192.4
23 21 D -13.0 192.2
27 3 A 13.2 168.6
28 24 D -13.0 101.3
29 7 C 3.4 117.5
30 18 E 6.1 67.1
31 1 A -15.1 175.2
32 5 B 18.4 135.1
33 2 A -7.5 113.6
11 101