Sunspot drawing of 1957-9-21

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https://doi.org/10.7891/e-manuscripta-87866



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1957-09-21
07:30
Hs 1304.5:227
https://doi.org/10.7891/e-manuscripta-87866
Observer : Rolf Schmid
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
498 34 F 11.8 105.9
502 112 F 19.4 84.0
503 92 G 7.8 73.4
508 4 J -14.0 134.0
510 36 E -20.5 77.1
514 52 E 7.9 57.4
515 7 C -18.3 14.0
518 6 B -10.3 26.5
519 21 E 13.9 343.8
520 8 C 20.9 340.0
10 372