Sunspot drawing of 1972-12-21

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https://doi.org/10.7891/e-manuscripta-97078



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1972-12-21
10:00
Hs 1304.5:4943
https://doi.org/10.7891/e-manuscripta-97078
Observer : Araldo Pittini
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
381 3 J -20.1 62.8
385 3 B -7.8 352.8
387 14 D 15.3 343.3
388 1 A 16.6 316.1
389 25 C 10.7 307.6
390 4 B 19.1 277.0
391 2 B -12.3 326.0
7 52