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Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki

Ursa Astronomical Association

Sun - 29.8.2021 at 13.00 Hankasalmi, Murtoinen Observation number 100790

Visibility III / V

Arto Oksanen, Jyväskylän Sirius

Solar flare eruption detected by Hankasalmi Observatory radio telescope. X-ray classification C8.1, comma group 2860.

Additional information
  • Observation target
    • Sun
Technical information

3m alt-az radio telescope, 10-11 GHz microwave head, diode receiver, 100 Hz sampling.

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