Sunspot drawing of 1970-7-17

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https://doi.org/10.7891/e-manuscripta-96396



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1970-07-17
08:00
Hs 1304.5:4205
https://doi.org/10.7891/e-manuscripta-96396
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
299 3 J 16.7 262.6
302 10 A 16.5 228.5
306 18 C 17.1 205.7
308 5 C -17.9 196.3
311 1 A -14.1 156.5
312 2 B 15.0 136.2
313 2 A 4.4 238.0
314 1 A 14.1 215.6
8 42