Sunspot drawing of 1968-7-23

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https://doi.org/10.7891/e-manuscripta-95462



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1968-07-23
10:30
Hs 1304.5:3598
https://doi.org/10.7891/e-manuscripta-95462
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
310 6 J 12.5 93.3
322 3 J -16.7 34.5
324 8 B 9.0 7.2
325 16 C -17.8 48.2
327 3 B 16.1 1.9
328 35 D -17.1 8.5
6 71