Sunspot drawing of 1967-12-4

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https://doi.org/10.7891/e-manuscripta-95184



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1967-12-04
08:45
Hs 1304.5:3397
https://doi.org/10.7891/e-manuscripta-95184
Observer : Sergio Cortesi
Seeing (SIDC) : 1
Group Not Weighted Weighted Type Latitude Carrington Longit.
473 3 J -21.9 254.2
475 3 J 10.4 157.5
476 9 D 21.1 271.9
477 9 D 24.5 195.7
478 6 D 13.7 158.6
479 3 J 11.2 143.1
480 9 D -15.2 248.4
481 3 J -17.5 119.1
8 45