Sunspot drawing of 1967-7-31

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https://doi.org/10.7891/e-manuscripta-95151



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1967-07-31
07:15
Hs 1304.5:3293
https://doi.org/10.7891/e-manuscripta-95151
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
282 42 E 26.5 98.1
287 20 G 13.8 83.9
290 8 C 11.6 55.5
292 14 C 17.0 69.5
293 10 C 19.4 42.0
295 3 J -21.1 28.3
296 1 A 16.8 9.8
7 98