Sunspot drawing of 1990-2-6

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https://doi.org/10.7891/e-manuscripta-145141



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1990-02-06
09:00
Hs 1304.6:2758
https://doi.org/10.7891/e-manuscripta-145141
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
64 1 3 J 25 266
70 11 20 C 8 251
73 20 26 D 14 254
74 15 19 D -23 227
76 2 2 A -13 210
78 4 5 B -21 240
6 53 75