Sunspot drawing of 1971-12-7

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https://doi.org/10.7891/e-manuscripta-96935



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1971-12-07
08:30
Hs 1304.5:4644
https://doi.org/10.7891/e-manuscripta-96935
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
336/341 3 B -14.8 36.9
337 37 D -4.7 322.2
339 9 C -13.5 301.9
343 18 B 9.6 310.1
344 12 B 8.1 347.4
345 4 J -3.9 251.3
346 1 A 16.4 319.8
347 1 A 21.4 258.0
348 5 B 8.7 241.2
9 90