Sunspot drawing of 1969-7-17

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https://doi.org/10.7891/e-manuscripta-95804



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1969-07-17
06:30
Hs 1304.5:3893
https://doi.org/10.7891/e-manuscripta-95804
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
290 3 B 13.6 40.7
291 6 J -15.4 20.1
294 4 J 9.7 332.2
295 7 C 5.8 332.6
299 14 D 19.9 9.8
300 6 B 12.3 332.0
302 2 A -18.5 350.0
303 10 B 15.7 350.1
304 2 A 18.5 300.6
305 25 E 12.2 236.2
10 79