Sunspot drawing of 1971-1-15

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https://doi.org/10.7891/e-manuscripta-96916



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1971-01-15
10:30
Hs 1304.5:4356
https://doi.org/10.7891/e-manuscripta-96916
Observer : Araldo Pittini
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
4 12 H -6.5 8.7
9 3 J 18.7 298.7
16 2 A -15.3 302.0
17 2 A 11.9 261.9
18 1 A -23.4 21.1
19 10 B 9.1 321.1
20 22 E 17.6 223.8
7 52