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

Ursa Astronomical Association

Sun - 28.5.2021 at 13.32 Kokkola Observation number 98572

Visibility IV / V

Pentti Ketola, Ursa (Länsi-Suomi)

A few sunspots were already visible on the shadow side today. Astro Solar membrane.


Additional information
  • Observation target
    • Sun
    • Näyttävä
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