Sunspot drawing of 1968-7-31

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https://doi.org/10.7891/e-manuscripta-95571



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1968-07-31
08:30
Hs 1304.5:3606
https://doi.org/10.7891/e-manuscripta-95571
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
331 20 C 14.1 278.0
333 9 B 29.9 320.2
336 7 B 10.8 342.4
338 29 C 6.5 280.2
342 4 B 23.3 210.4
343 1 A -7.9 306.7
344 2 A 7.0 268.6
7 72