Sunspot drawing of 1973-1-23

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https://doi.org/10.7891/e-manuscripta-97389



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1973-01-23
13:00
Hs 1304.5:4963
https://doi.org/10.7891/e-manuscripta-97389
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
15 10 J 10.9 315.5
17 6 B -14.9 325.8
19 9 A 9.7 247.4
23 5 B -14.5 261.0
24 2 A -3.4 244.3
25 4 B 10.4 239.5
26 3 B -9.4 207.5
7 39