Sunspot drawing of 1971-12-8

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https://doi.org/10.7891/e-manuscripta-96740



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1971-12-08
09:00
Hs 1304.5:4645
https://doi.org/10.7891/e-manuscripta-96740
Observer : Sergio Cortesi
Seeing (SIDC) : 1
Group Not Weighted Weighted Type Latitude Carrington Longit.
337 30 D -5.2 322.4
339 4 J -13.1 303.2
343 15 C 9.9 311.0
344 7 A 8.4 345.4
345 4 J -3.7 251.9
348 7 C 9.6 237.6
349 10 B 5.8 286.5
7 77