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Contact information

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

Ursa Astronomical Association

Sun - 30.8.2021 at 14.00 - 30.8.2021 at 15.45 Joensuu Observation number 100827

Visibility IV / V

Antti Taskinen, Joensuun Seulaset

Seeing was mostly pretty bad, but when a clearer moment happened, Sunspot Group No. 2860 looked really great with a telescope. The first picture was taken at 14:12 and the second at 15:41.


Additional information
  • Observation target
    • Sun
  • Seeing
    • Mediocre
Technical information

Sky-Watcher Explorer 200 PDS, Baader AstroSolar solar filter, Tele Vue 2.5x Powermate, Baader 685 nm IR-pass filter and ZWO ASI 224MC. In the first picture, 12058 squares are 20% stacked and in the second 3000 squares, 50% are stacked. Software used: FireCapture, As! 3, RegiStax6, Lightroom.

Comments: 1 pcs
Petrus Kurppa - 1.9.2021 at 21.24 Report this

Wow! Upea kuva ja todella hieno auringonpilkkuryhmä.

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