Sunspot drawing of 1969-8-23

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https://doi.org/10.7891/e-manuscripta-95729



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1969-08-23
07:30
Hs 1304.5:3930
https://doi.org/10.7891/e-manuscripta-95729
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
348 2 B -12.3 250.2
355 3 B -15.7 192.0
357 41 E 10.5 128.5
359 4 B 11.9 187.6
360 1 A -6.5 134.0
5 51