Wonders of Nature Noctilucent clouds (NLC)

This webpage is dedicated to observing noctilucent clouds, NLC's. These silverly appearing cloudstructures remain at about 80 kilometers altitude in earth atmosphere. They can be observed only during the summerseason, that is in may, june and july when the sun at night is not far below the horizon. Because noctilucent clouds mostly are at high latitude they only are visible low in the northern skies. To be visible the sky should be very transparant, so the atmosphere has to be clear and dry with no cirrus clouds. Remind noctilucent clouds have a white or silverly wavelike appearance and so are distinguisable from cirrus clouds.

De Bilt, 16 june 2009	De Bilt, 21 june 2006	De Bilt, 14/15 june 2005	De Bilt, 8 july 1997

The summerseason is on its way so we have to be ready for some nice noctilucent clouds!

• 21 june 2009 (Bilthoven, Houdringebos)
• 16 june 2009 (Bilthoven, Houdringebos)
• 13 juli 2008 (De Bilt) and a movie at Youtube
• 16 juli 2006 (De Bilt)
• 14 juli 2006 (Bilthoven)
• 21 june 2006 (De Bilt)
• 19/20 june 2005 (De Bilt)
• 14/15 june 2005 (De Bilt)
• 8 july 1997 (De Bilt)

External Links

• WikipediA
• NLC Observers' Homepage (by Tom McEwan)
• Noctilucent Clouds (by Brian Whittaker)
• Noctilucent Clouds (by Oscar van der Velde)
• Noctilucent Clouds (by Koen Miskotte)
• Noctilucent Clouds (by Peter van Leuteren)
• Noctilucent Clouds (by Henk Bril)
• Noctilucent Clouds PhotoGallery Summer 2008 (Spaceweather.com)
• Noctilucent Clouds PhotoGallery Summer 2007 (Spaceweather.com)
• Noctilucent Clouds PhotoGallery Summer 2006 (Spaceweather.com)
• Noctilucent Clouds PhotoGallery Summer 2005 (Spaceweather.com)
• Noctilucent Clouds PhotoGallery Summer 2004 (Spaceweather.com)
• Noctilucent Clouds PhotoGallery Summer 2003 (Spaceweather.com)

Lighteffects

Noctilucent Clouds

Aurora

Solar and Lunar Eclipses

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