Sunspot drawing of 1971-1-8

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https://doi.org/10.7891/e-manuscripta-96818



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1971-01-08
08:30
Hs 1304.5:4350
https://doi.org/10.7891/e-manuscripta-96818
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
544 3 J 21.4 95.9
545 3 J 2.9 88.2
4 44 E -6.5 8.1
5 6 C 12.3 5.9
6 2 A 1.0 93.6
7 2 A 6.7 15.9
6 60