Sunspot drawing of 1967-12-31

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https://doi.org/10.7891/e-manuscripta-95185



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1967-12-31
09:00
Hs 1304.5:3420
https://doi.org/10.7891/e-manuscripta-95185
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
517 5 H -22.9 249.1
521 26 E -16.3 256.0
522 10 D -12.4 198.4
523 10 C -16.1 204.7
525 15 D -27.2 195.8
528 6 J -14.9 242.9
530 3 J -29.3 152.9
531 3 J -15.2 135.5
8 78