Contact information

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

Ursa Astronomical Association

Kangastus - 8.4.2012 at 14.10 Mikkeli Observation number 3688

Visibility IV / V

Aki Taavitsainen, Mikkelin Ursa

Easter traffic at the Hiirola hot reserve landing site was pretty neat to watch.

Figure 1: The snow benches next to the road rose into the air to float and cars pass a little there sun here.

Figure 2: The oncoming cars even ran quite "dangerously through each other!" Fortunately, however, it was a powerful weaving phenomenon!

Figure 3: The car is seen as a mirror image of the canvas "water puddle".


Additional information
  • Common atmospheric phenomena
    • Mirage info

      Mirage is a light phenomenon that occurs when there are layers of air of different temperatures in the atmosphere. The light gets reflected between these different layers.

      This can happen, for example, in the spring over the water when the sea is still cold and the sun is already heating up the air .

      In mirages, distant objects may appear even if you do not otherwise see them. Their shape is more or less distorted. Objects like boats or islands may also appear to be hanging upside down in the sky.

      Mirages involving landscape objects and celestial bodies are reported to the Skywarden. Asphalt mirages are not collected, since they are quite common during the summer months.

      In this mirage small islands seem to be hanging from the air over the sea. Image by Peter von Bagh.

      The Moon distorted on a mirage. Photo by Aki Taavitsainen.

      Island mirages over an ocean covered by ice. Image by Pentti Arpalahti.

Technical information

Canon eos 7d, Sigma 300mm

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