Sunspot drawing of 1967-8-13

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https://doi.org/10.7891/e-manuscripta-95261



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1967-08-13
06:30
Hs 1304.5:3304
https://doi.org/10.7891/e-manuscripta-95261
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
299 18 D 19.8 296.5
301 14 D -22.3 265.8
304 3 J -16.5 251.0
308 14 E 24.2 329.1
309 2 A 24.2 247.3
310 4 J -30.2 171.6
6 55