Sunspot drawing of 2003-12-20

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https://doi.org/10.7891/e-manuscripta-152214



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2003-12-20
09:15
Hs 1304.6:7025
https://doi.org/10.7891/e-manuscripta-152214
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
307 2 5 C 2.7 10.8
311 6 4 A -8.2 300.3
312 20 19 D 8.5 293.4
313 4 4 A -17.3 287.9
314 24 24 E 8.8 262.7
315 2 2 B 8.9 327.1
316 2 1 A 15.1 293.1
7 60 59