Sunspot drawing of 1971-9-5

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https://doi.org/10.7891/e-manuscripta-96960



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1971-09-05
06:30
Hs 1304.5:4563
https://doi.org/10.7891/e-manuscripta-96960
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
259A 23 C -6.6 121.6
260 3 B 16.8 99.1
261 1 A 20.5 80.0
262 1 A 3.7 43.2
4 28