Sunspot drawing of 1970-7-13

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https://doi.org/10.7891/e-manuscripta-96496



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1970-07-13
13:15
Hs 1304.5:4201
https://doi.org/10.7891/e-manuscripta-96496
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
294 1 A 14.3 309.6
299 7 J 16.1 262.9
302 7 J 16.6 229.3
306 21 D 17.2 203.7
308 14 D -17.3 196.8
309 5 B 15.1 175.6
6 55