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Skywarden,
Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki
taivaanvahti(at)ursa.fi

Ursa Astronomical Association

Sun - 10.9.2021 at 14.30 - 10.9.2021 at 14.45 Kirkkonummi Observation number 101182

Visibility IV / V

Harry Rabb, Kirkkonummen komeetta

Changes in sunspot groups per day and NASA’s Solar Dynamics Observatory image of the X-ray area at the same location. It clearly shows the power lines of the magnetic fields.


Additional information
  • Observation target
    • Sun
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