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Ursa Astronomical Association
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Ursa Astronomical Association

Negative observation of missing night shining clouds - 1.6.2023 at 23.52 - 2.6.2023 at 01.14 Helsinki Observation number 116474

Visibility Unclassified

The sky was otherwise clear, but below ten degrees there were clouds from the northwest to the northeast, which at a distance could be mistaken for narrow bands of night clouds near the horizon. When the gray lines were closer, the contrast illusion does not work. The contrasts of the images have been emphasized with Lightroom.

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  • Havainto
    • Negative observation of missing night shining clouds
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