Newest observations

Contact information

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

Ursa Astronomical Association

Sun - 28.8.2021 at 08.00 - 28.8.2021 at 11.00 Hankasalmi, Murtoinen Observation number 100766

Visibility III / V

Arto Oksanen, Jyväskylän Sirius

The first flare observation of the season with the Hankasalmi radio telescope. There were several eruptions in the sun. Of these, 5:09 UT and 6:23 UT were clearly visible. X-ray classifications C7.0 and M4.7. Comma group 2860.


Additional information
  • Observation target
    • Sun
Technical information

3 m alt-az radio telescope with 10-11 GHz microwave head and diode receiver. Sampling frequency 100 Hz.

Send a comment

Comments are checked and moderated before publication If you want to contact the observer directly about possibilities to use these images, use the Media -form.

*

*

*
characters left

By sending in this comment I confirm, that I've read and understood the the observation system's privacy policy.