Sunspot drawing of 1971-10-9

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https://doi.org/10.7891/e-manuscripta-96872



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1971-10-09
07:30
Hs 1304.5:4595
https://doi.org/10.7891/e-manuscripta-96872
Observer : Araldo Pittini
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
282 6 J 9.9 80.6
283 1 A -10.4 74.8
287 2 A 11.4 319.4
288 14 B 8.6 23.2
4 23