Sunspot drawing of 1980-1-28

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https://doi.org/10.7891/e-manuscripta-99933



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1980-01-28
09:00
Hs 1304.5:7100
https://doi.org/10.7891/e-manuscripta-99933
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
51 28 E -17.1 25.1
53 10 C -10.8 309.4
56 14 C -20.4 277.5
59 3 J 15.6 255.9
60 3 J 7.6 254.5
61 32 E 4.1 249.7
62 9 B 28.5 336.3
63 15 E 16.3 233.8
64 7 B 13.6 295.6
65 5 A -16.2 275.0
66 14 D 12.8 229.2
67 2 A -15.1 243.7
12 142