Sunspot drawing of 1967-8-17

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https://doi.org/10.7891/e-manuscripta-95182



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1967-08-17
08:30
Hs 1304.5:3308
https://doi.org/10.7891/e-manuscripta-95182
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
301 3 J -22.1 266.4
304 3 J -16.8 249.8
309 13 B 24.2 245.7
310 4 H -30.6 168.2
311 14 C 18.6 220.6
312 27 C 8.5 202.7
313 1 A 32.5 250.0
7 65