Sunspot drawing of 1971-12-12

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https://doi.org/10.7891/e-manuscripta-96763



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1971-12-12
10:30
Hs 1304.5:4649
https://doi.org/10.7891/e-manuscripta-96763
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
337 6 C -4.9 321.9
339 4 B -13.7 298.3
343 4 A 10.7 304.9
345 4 C -3.4 249.6
348 30 D 8.2 242.0
349 4 A 6.3 289.5
350 1 A -7.0 284.0
353 12 D 17.6 195.3
354 5 J -14.8 187.9
355 1 A -3.8 280.1
356 1 A 5.9 273.4
357 2 A 11.6 220.4
12 74