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Jurgen de Boer

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Posts posted by Jurgen de Boer

  1. 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).

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    Oh birds are having enough of the cold.... so this bird sat on the chimney for half an hour..... nice and warm.

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  2. 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.

  3. Agree with the others who have commented on your pics. Outstanding, and if you don't mind my saying so, probably your best set of pics to date. :nonono:

    1,250 pics in 8 days, blimey!! I took just over 500 in 10 days when I was in South Devon earlier this month. Would have been far more had I had a larger SD card (4Gb initially but did take videos as well so...) Now have an 8Gb.

    Just out of curiosity, what camera do you use? I ask because the picture quality is again to use the word, outstanding.

    Phil.

    Hi Phil,

    Thanks for the great coments.

    I use a Canon EOS 350D with a 4Gb CF Extreme III card and a sigma 18mm-200mm f3.5-6.3 telelens Iam not totaly heapy with the lens because autofocus is a bit slow at 200mm.

    The panoramas are stitched with autostitch.

  4. Woah couldn' t stop taking breathtaking photos (in just 8 days i took 1250 photos).

    Great island and spectacular nature.

    I love it.

    Enjoy the Show.

    Almost in to space.

    LaPalma2009006.jpg

    Below us.

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    Pico del Teide looms ahead.

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    Just before landing.

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    Arrived.

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    View from my appartment.

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    Waves.

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    Santa Cruz.

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    Mountain in the clouds.

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    Stormy day.

    LaPalma2009347.jpg

    Waves crashing on the rocky coast.

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    Me enjoying the scene.

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    Blowhole.

    LaPalma2009476.jpg

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    Waves getting closer.

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    Roque de los Muchachos.

    LaPalma2009543.jpg

    10.4m GTC

    LaPalma2009524.jpg

    2.5m NOT

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    4.2m WHT

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    Dutch open telescope.

    LaPalma2009573.jpg

    On top of the world.

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    Raven.

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    Into the caldera.

    LaPalma2009778.jpg

    Caldera de Taburiente.

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    On top resting on the crater wall.

    LaPalma2009pano9.jpg

    Weather change.

    LaPalma2009782.jpg

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    The volcanotrail 21.5 km long and exausting.

    LaPalma2009946.jpg

    Some panoramas.

    LaPalma2009pano11.jpg

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    Cooled Lava lake.

    LaPalma2009pano16.jpg

    Beautiful sceneries.

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    Great forestfire of last August.

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    Nature is coming back.

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    After the hike, leters imprinted on my feet.

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    Atlantic Sunrise.

    LaPalma20091144.jpg

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    The appartment building where i stayed was the orange one on the left.

    LaPalma2009pano2.jpg

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