>My shadow, my fog bow, my aura

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My shadow, my fog bow, my aura, originally uploaded by ystenes.

While walking in the Sykkylven mountains with a beautiful autumn sun behind, a cloud raised up in front of me, and I saw the shadow of my head within a halo.

I have seen such haloes several times surrounding the shadow of an aeroplane, but I had never seen anything like this before. I was puzzeled and experimented with the situation. Here I have found a place where I could create a shadow of my whole body. I have spread my legs, and you can se a slight shadow of my lifted right arm.

There is partly sunlit grass in the foreground, in the background another hill and the fjord further behind.

I always regarded this as a rainbow phenomenon, but learned today that it is a different phenomenon based on Mie scattering and not refraction and reflection. I found this explanation on internet ( http://www.gsfc.nasa.gov/scienceques2002/20030214.htm ).

«How about fog bows? Yes, fog bows, also known as fog dogs, cloud bows or white rainbows, can be observed on occasion. But even when one has formed, it may go unnoticed, since fog dogs are generally bereft of color. Whereas rain drops may be 0.5 mm in diameter, fog droplets are typically less than 1/10 this diameter. If you happen to see such a bow, you may notice that it’s broader than a rainbow (rainbows cover about 2 degrees of the sky or about 4 times the width of the Sun or Moon), and there may be an orange tint on the outer portion of the bow. Actually, fog bows are caused by a diffraction of light rather than refraction and reflection. Because the fog droplets are so tiny, the wavelengths of visible light, which are obvious in the larger drops producing the rainbow, interfere with each other. The result is color bands that overlap. As the droplets get smaller, the interference is even greater, and the light that emerges is completely colorless. As with rainbows, in order to see a fog bow, you need to look in the opposite direction of the Sun.»

Vassfjellet, Sykkylven, Sunnmøre, Norge/Norway.

Enhanced contrast in Picnik.

A larger view, unmodified, is seen here: http://www.flickr.com/photos/ystenes/4021844930/

January 2010 this photo was in second place of d90 photos on flickr.

About brexians

Demetrios Georgalas (A Surviving Globalization Consultant) was born in 1961 in Bern and grew up in Athens. In1985, graduated from Surrey University with a Tourism Management BSc (Hons). In 1998, graduated from LMTB under Freie Universitat Berlin, with a Diploma Lasers in Medicine. His professional career was started in the private sector and at the same time he created his first consulting company D+G Consultants Inc. Worked for major multinationals in Greece and abroad (FMCGs / Pharmaceuticals / Tourism). Demetrios Georgalas, having established also Travelling 2 Greece a destination management company, while with the D+G Consultants working in the areas of BTL and special marketing projects. He is activated except from Greece in the Balkans and in Turkey, consulting his clientele with new innovative proposals. Apart from his enterprising activities, he dabbles at blogging, travelling and cooking while he is married and has two children. In conclusion Demetrios Georgalas is an Athenian, Greek, Agnostic, Traveller, & Liberal he likes sci-fi, photography, blogging, travelling and cooking and if you like fascism or any kind of dogma, keep out! Δημήτρης Κ. Γεωργαλάς Γεννήθηκε στην Αθήνα το 1961, σπούδασε Τουριστική Διαχείριση στο Ηνωμένο Βασίλειο και κατέχει μεταπτυχιακό τίτλο στην Βιοτεχνολογία. Έχει εργαστεί σε μεγάλα τουριστικά γραφεία του εσωτερικού, και σε πολυεθνικές σε Ελλάδα και Εξωτερικό, στο χώρο των φαρμάκων, των ιατρικών μηχανημάτων και των FMCG’s. Από το 2001 είναι ελεύθερος επαγγελματίας, με δραστηριότητα στην διαχείριση προορισμού, τον θεματικό τουρισμό και τις ειδικές ενέργειες marketing. Είναι παντρεμένος και πατέρας δυο παιδιών, διδάσκει ειδικά θέματα εξωτερικού εμπορίου και κοινωνικής δικτύωσης, σε επιχειρήσεις και οργανισμούς. Ασχολείται ενεργά με το διαδίκτυο από το 1993 με άμεση εμπλοκή στα κοινωνικά δίκτυα και στο «ιστολογείν». Φανατικός ταξιδευτής, ερασιτέχνης φωτογράφος, μαχόμενος αγνωστικός και φιλελεύθερος. Όραμά του μια Ευρωπαϊκή Ελλάδα. https://brexians.wordpress.com
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