Date: 20 December 2021; 09:46 UT
Summary of Space Weather.
Sunspots AR2907 and AR2908 have ‘beta-gamma’ magnetic fields that harbor energy for M-class solar flares.
The geomagnetic conditions are quiet. The solar wind speed is moderately high.
Space Weather parameters / observations;
Sunspot Number: 109
10.7cm Flux: 115 sfu
Solar wind speed: 520.0 km.s-1
Solar wind density: 9.3 protons.cm3
Bz: 5.8 nT (North)
Bt: 7.6 nT
Dst: -21 nT