Sunspot drawing of 1999-9-23

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https://doi.org/10.7891/e-manuscripta-150532



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1999-09-23
08:15
Hs 1304.6:5740
https://doi.org/10.7891/e-manuscripta-150532
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
290 7 6 B 12 294
292 6 8 C -20 247
293 2 4 J 20 209
294 2 2 B -7 255
295 11 10 B -9 193
5 28 30