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

Ursa Astronomical Association

Sun - 21.6.2022 at 03.45 Tampere Observation number 107292

Visibility IV / V

Markku Lintinen, Tampereen Ursa

Today, the morning of the summer solstice, was the milestone of a three-month solar photography project. Every week, I pick up one picture from the pictures of the east camera at the time of the sunrise. The moments of ascension described were not exactly scientifically accurate, but I could wait a moment if there was a narrow cloud belt on the horizon.
I used imagemagick and ffmpeg for image processing. Between the still images, I counted the 50-frame transitions, and this morning’s sunrise, unlike the others, appears as a 45-minute time child summary.

From the series of images, you can see that in the series started a few days after the equinox, the sunrise shifts as much during April as in May and June combined.


Additional information
  • Observation target
    • Sun
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