Sunspot drawing of 1999-2-28

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https://doi.org/10.7891/e-manuscripta-150416



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1999-02-28
09:30
Hs 1304.6:5559
https://doi.org/10.7891/e-manuscripta-150416
Observer : Andrea Manna
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
46 3 3 J -24 100
47 35 35 E 28 101
48 7 10 B 29 75
50 10 10 B 31 60
51 5 6 B 19 70
53 3 5 A -25 11
6 63 69