Sunspot drawing of 1973-1-19

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https://doi.org/10.7891/e-manuscripta-97565



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1973-01-19
13:15
Hs 1304.5:4961
https://doi.org/10.7891/e-manuscripta-97565
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
15 12 C 10.9 315.5
16 3 A 1.9 323.2
17 7 B -12.6 324.8
18 9 B -17.9 8.6
19 1 A 9.2 245.6
5 32