Sunspot drawing of 1973-1-6

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https://doi.org/10.7891/e-manuscripta-97374



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1973-01-06
09:00
Hs 1304.5:4950
https://doi.org/10.7891/e-manuscripta-97374
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
4 23 C 7.1 142.9
5 45 E 12.8 114.0
7 8 B -12.0 173.7
8 3 A 4.7 132.6
9 1 A -2.2 79.6
10 3 J -18.6 62.1
6 83