Sun - 12.3.2015 at 16.10 Järvenpää Observation number 34173

Visibility Unclassified

Keijo Toikkanen, Keski-Uudenmaan Altair

During the day, there were many riots in the Sun, five of which are shown in the graph next to it. The first is rated C4.3, the second C8.4, the third M1.6, the fourth M1.4 and the fifth M4.2. The third and fourth riots take place very close together at about 2 p.m.

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5 6

Additional information

Observation target
- Sun
- Luokittelematon

Technical information

Sampo solar storm radio telescope, antenna diameter 60 cm.

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Sun - 12.3.2015 at 16.10 Järvenpää Observation number 34173