Sunspot drawing of 1969-6-21

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https://doi.org/10.7891/e-manuscripta-95839



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1969-06-21
07:30
Hs 1304.5:3869
https://doi.org/10.7891/e-manuscripta-95839
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
247 2 A 7.3 353.0
251 6 H 10.1 328.5
252 4 A -15.8 324.5
253 1 A -19.8 341.4
255 6 C 23.8 23.5
257 33 D 5.1 326.3
259 2 B 7.3 311.0
260 1 A 10.1 16.1
263 2 A 12.7 352.0
9 57