Sunspot drawing of 1973-1-24

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https://doi.org/10.7891/e-manuscripta-97571



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1973-01-24
09:00
Hs 1304.5:4964
https://doi.org/10.7891/e-manuscripta-97571
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
15 3 J 11.7 315.7
17 4 J -15.2 326.3
19 7 A 9.0 247.2
25 6 B 9.7 239.5
26 5 B -9.4 207.6
27 3 B -11.2 266.9
6 28