Sunspot drawing of 1971-10-1

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https://doi.org/10.7891/e-manuscripta-96832



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1971-10-01
07:30
Hs 1304.5:4587
https://doi.org/10.7891/e-manuscripta-96832
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
277 2 A 13.3 188.0
278 2 A -14.6 190.8
280 5 H -6.2 131.8
281 12 C -5.2 120.2
282 25 D 11.3 77.9
283 4 D -7.7 71.3
284 1 A 20.3 99.5
7 51