Sunspot drawing of 1970-12-22

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https://doi.org/10.7891/e-manuscripta-96357



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1970-12-22
09:15
Hs 1304.5:4336
https://doi.org/10.7891/e-manuscripta-96357
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
522 9 C 17.9 289.1
524 20 D 13.3 283.2
529 7 A -8.8 265.6
530 18 C -9.6 228.4
531 2 A 18.1 234.7
533 25 C 23.6 295.0
535 8 D 18.3 215.2
536 2 A 10.6 259.2
8 91