Sunspot drawing of 1970-7-15

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https://doi.org/10.7891/e-manuscripta-96434



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1970-07-15
08:30
Hs 1304.5:4203
https://doi.org/10.7891/e-manuscripta-96434
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
299 3 J 16.8 263.1
302 6 J 16.1 229.5
306 21 C 16.9 204.1
308 14 C -17.5 197.5
310 2 A -4.3 183.4
311 6 B -14.4 159.5
312 1 A 15.3 139.2
7 53