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Jurgen de Boer

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  • Gender
    Male
  • Location
    Amersfoort, Netherlands
  • Interests
    I love weather, nature and astro photography.

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  1. Filmed and photographed with a Canon EOS 500D + Tamron 55-200mm telelens + 12mm Soligor extensiontube. Put a metal cup with boiling water in front of a Halogene lamp and you can see a wonderfull world of colors.
  2. On Friday the Full Moon shined at it brightest it was 14% bigger and 30% brighter than a normal Full Moon. The photos were made with a Canon Eos 500D + Sigma FD 400mm f5.6 APO + 1.4x converter ring (680mm eff.) 1/200s. at 100 ISO Full Moon in Color. Full Moon in Graytones. Full Moon in Graytones negative.
  3. 4 days ago Polar Stratospheric clouds colored the sky Orange in Amersfoort, Netherlands during sunset. enjoy.
  4. The first few photos are made in de city of Hengelo, Netherlands. This is the cityhalltower is and is 65m tall (Sigma 18-200mm 3.5-6.3). A 3 photocollage of the Moon trough my 15cm Skywatcher Newton telescoop. And a few photos taken in Amersfoort Zoo (Sigma 400mm APO).
  5. Looking at a nice colored Sunrise and Sunset warms me in these cold times. Enjoy!
  6. At the time it was about -2 degree Celcius so not trying to breath when i took the photos.
  7. This morning just a few nice snowflakes fell in Amersfoort. I took these photos with a Canon EOS 350D and a Tamron LD DiII 55-200 1:4-5.6 Macro telelens also Canon extension tube 25mm and a set Soligor extension tubes (12-20-36mm). I shot them loose in hand (No mono or tripod). Oh birds are having enough of the cold.... so this bird sat on the chimney for half an hour..... nice and warm.
  8. These past few days a lot of snow fell in Amersfoort, Netherlands. In measured 22cm of snow and temperatures of -5 degree celcius in daytime and -12 at night. In the morning it stoped snowing and i enjoyed a wonderful sunrise. Enjoy the pics. Jurgen de Boer
  9. After a long time of dark and rainy weather in the Netherlands i photographed this wonderful sunrise with a small sunpillar. Enjoy. ps. the temperature outside was a freezing -12,5 degree celcius.
  10. Contrails, Sunrise, Moonrise and a rainbow.... Mother nature was kind to me past week. Enjoy the show.
  11. Great photos, wonderful landscapes and beautiful cathedral. :lol: :lol:
  12. Very unusual to see, hole-punch clouds like this are still the topic of meteorological speculation. A leading hypothesis holds that the hole-punch cloud is caused by falling ice-crystals. The ice-crystals could originate in a higher cloud or be facilitated by a passing airplane exhaust. If the air has just the right temperature and moisture content, the falling crystals will absorb water from the air and grow. For this to happen, the water must be so cold that all it needs is a surface to freeze on. The moisture lost from the air increases the evaporation rate from the cloud water droplets so they dissipate to form the hole. The now heavier ice crystals continue to fall and form the more tenuous wispy cloud-like virga seen inside and just below the hole. Water and ice from the virga evaporates before they reach the ground.
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