Sunspot drawing of 1980-4-23

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https://doi.org/10.7891/e-manuscripta-99747



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1980-04-23
09:00
Hs 1304.5:7172
https://doi.org/10.7891/e-manuscripta-99747
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
211 14 B -18.3 264.6
213 50 E -13.3 239.1
215 12 C 21.5 239.7
216 3 A 8.4 233.2
218 2 A -26.5 255.0
219 4 B 13.6 223.2
221 6 C -29.4 240.2
7 91