Daily Archives: September 20, 2013

The Sun Online and solar activity. September 20, 2013

The Sun Online and solar activity. September 20, 2013

Solar events:

  • There are currently nine numbered sunspot groups on the solar disc.
  • Three low C-class level flares were reported during last 24 hours
  • The solar wind speed is about 480 km/s
  • The interplanetary magnetic field magnitude is stable amounting about 3 nT.
  • The geomagnetic conditions are quiet. Astronomers of Royal Observatory of Belgium expect quiet to active geomagnetic conditions in the following 48 hours due to the arrival of a fast flow (in the morning of September 22), associated with the low-latitude coronal hole in the northern hemisphere.

Local time:9/20/2013 at 8:43:29Local time:9/20/2013 at 8:43:29Local time:9/20/2013 at 8:43:29Local time:9/20/2013 at 8:43:29

Equipment: Coronado 90 + SBIG 8300s + LX75
Editor: Photoshop
Date: 20/09/13
Time GMT: 13:00
Exposure 0.09 sec.

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