Sunspot drawing of 1968-10-21

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https://doi.org/10.7891/e-manuscripta-95582



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1968-10-21
09:15
Hs 1304.5:3677
https://doi.org/10.7891/e-manuscripta-95582
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
464 10 C 19.8 318.8
471 52 E 15.0 242.0
474 2 A 15.3 347.6
476 5 B -11.7 296.5
478 9 C -18.2 212.2
480 4 B 22.5 321.6
481 3 B 14.6 209.4
482 4 J 15.1 193.6
8 89