Sunspot drawing of 1988-12-23

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https://doi.org/10.7891/e-manuscripta-143680



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1988-12-23
09:00
Hs 1304.6:2399
https://doi.org/10.7891/e-manuscripta-143680
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
401 6 12 C -33 301
405A 4 6 C 24 300
406 27 28 D 27 275
407 9 13 J 24 266
407A 6 4 B 28 253
409 8 12 C -23 266
410 27 31 D 17 220
413 21 30 D 21 199
414 20 27 D 17 264
415 7 15 D -33 281
417 7 9 C 22 166
418 4 4 B -18 248
419 2 4 J 30 223
420 14 15 C 19 164
421 5 9 C -19 158
422 3 12 J -16 154
423 1 2 A -13 170
17 171 233