Sunspot drawing of 1971-12-14

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https://doi.org/10.7891/e-manuscripta-96683



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1971-12-14
09:30
Hs 1304.5:4651
https://doi.org/10.7891/e-manuscripta-96683
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
339 2 A -12.8 301.5
345 3 J -2.7 251.0
348 26 D 8.1 242.8
353 23 D 17.7 194.6
354 6 J -14.1 188.6
359 2 A -9.0 221.6
360 6 C 11.4 181.3
7 68