Sunspot drawing of 1971-9-6

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https://doi.org/10.7891/e-manuscripta-96944



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1971-09-06
07:00
Hs 1304.5:4564
https://doi.org/10.7891/e-manuscripta-96944
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
259A 31 23 C -6.8 122.1
260 6 7 D 16.6 98.6
261 1 1 A 19.7 79.3
262 2 1 A 2.8 43.7
263 7 11 C 1.8 128.3
264 3 1 A -14.0 96.3
265 4 5 A -5.5 109.4
7 54 49