Sunspot drawing of 1983-2-23

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https://doi.org/10.7891/e-manuscripta-140281



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1983-02-23
09:45
Hs 1304.6:640
https://doi.org/10.7891/e-manuscripta-140281
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
44 2 3 A -13 266
45 1 3 J -9 248
46 6 10 C 13 225
47 4 7 C 16 179
48 2 5 J -17 174
5 15 28