Sunspot drawing of 1971-7-15

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https://doi.org/10.7891/e-manuscripta-96660



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1971-07-15
07:15
Hs 1304.5:4511
https://doi.org/10.7891/e-manuscripta-96660
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
202 9 8 C -7.9 126.1
204 1 1 A -12.6 92.7
205 21 14 A 14.3 60.2
206 34 23 E 5.4 28.4
207 1 3 J 9.9 11.7
208 2 1 A 26.9 77.4
209 4 3 A -9.4 28.7
210 2 4 C -5.9 3.4
8 74 57