Sunspot drawing of 2003-2-21

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https://doi.org/10.7891/e-manuscripta-152281



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2003-02-21
08:15
Hs 1304.6:6758
https://doi.org/10.7891/e-manuscripta-152281
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
49A 4 5 C 12.8 349.3
50 4 6 C 8.2 69.0
51 25 20 D 15.9 333.6
52 6 4 B -22.9 334.9
4 39 35