Sunspot drawing of 1993-2-17

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https://doi.org/10.7891/e-manuscripta-147455



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1993-02-17
09:30
Hs 1304.6:3696
https://doi.org/10.7891/e-manuscripta-147455
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
40 3 10 E -8 90
47 3 5 C 10 27
49 20 21 C 15 353
50 10 10 J -20 322
51 1 1 A 7 331
52 1 2 A -6 312
55 1 3 J -13 295
7 39 52