2724 2725
99
99
  • Area = 1
  • Zurich = A
  • Penumbra = no penumbra (Zurich class A or B)
  • Leading =
  • NN = 1

Catania sunspot groups
2018-10-22 08:30:00
NOAA AR/sunspot
NOAA Halpha plage
NOAA expected region
No observation
PROBA2/SWAP 17.4nm
2018-10-23T13:23:32.610