Sunspot drawing of 1972-12-23

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https://doi.org/10.7891/e-manuscripta-97016



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1972-12-23
09:00
Hs 1304.5:4945
https://doi.org/10.7891/e-manuscripta-97016
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
385 2 A -7.0 353.1
387 12 D 15.1 341.0
389 28 E 10.9 308.8
390 1 A 18.6 277.6
391 1 A -12.8 326.5
392 1 A -17.8 326.6
6 45