Sunspot drawing of 2003-8-21

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https://doi.org/10.7891/e-manuscripta-152112



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2003-08-21
07:15
Hs 1304.6:6933
https://doi.org/10.7891/e-manuscripta-152112
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
215 22 21 D 6.9 89.8
217 6 5 B -7.7 100.1
219 6 7 C 7.5 130.3
220 3 5 C 11.6 60.0
4 37 38