Sunspot drawing of 1967-12-17

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https://doi.org/10.7891/e-manuscripta-95254



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1967-12-17
09:00
Hs 1304.5:3409
https://doi.org/10.7891/e-manuscripta-95254
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
489 1 2 A 8.3 84.8
492 1 3 J 8.6 38.3
493 1 4 J -28.3 102.3
495 14 26 D 19.7 37.1
496 56 58 E 17.5 27.6
498 5 6 C -34.0 90.5
499 13 20 D 24.7 65.1
503 7 9 H 22.5 334.8
504 5 5 J -20.9 55.4
506 2 5 C -20.2 93.8
507 14 5 B 19.2 70.3
508 1 1 A 11.3 353.9
509 1 4 H -25.1 312.9
13 121 148