Sunspot drawing of 1991-7-16

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https://doi.org/10.7891/e-manuscripta-145841



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1991-07-16
07:30
Hs 1304.6:3210
https://doi.org/10.7891/e-manuscripta-145841
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
363 16 20 D -23 165
369 27 27 D -16 138
370 2 5 J -11 141
377 19 19 H -27 88
378 12 13 C -22 66
379 1 3 J 22 53
380 4 3 A 20 174
381 1 1 A -30 125
8 82 91