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© Dimirtis G Vasiliou

A strange celestial phenomenon (Please enlarge).


dgv

Artist: ;
Exposure Date: 2011:05:19 03:17:55;
Copyright: ;
Make: NIKON CORPORATION;
Model: NIKON D3;
Exposure Time: 25.0 seconds s;
FNumber: f/16.0;
ISOSpeedRatings: ISO 500;
ExposureProgram: Other;
ExposureBiasValue: +715827881 2/3
MeteringMode: Other;
Flash: Flash did not fire;
FocalLength: 35.0 mm mm;
FocalLengthIn35mmFilm: 35 mm;
Software: Adobe Photoshop CS3 Windows;
Tripod.

Copyright

© Dimirtis G Vasiliou

From the category:

Space

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In May 2011 my wife and I were on holiday in Kusadasi Turkey, a town

on the shores of Asia Minor overlooking the Aegean Sea. We arrived at

our hotel destination in the evening and later that night I took a snapshot

shot of the view from our balcony. While I was doing that I suddenly

became aware of a meteor shower and a comet. There was no time to

change lenses for a closer capture. I didn't think much about it until

recently when I was looking at the photos from that trip. Upon enlarging

the photo the comet, or at least what seems to be like one, appears

clearly and is heading for the sea but what is above it appears to be a

man made object that has a tube looking center and rays emanating

from it in two directions in a triangular fashion inscribing a small arc of a

circle. Has any body any ideas as to what it is? Thank you for your

comments.

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Thank you very much !!! At least you looked at it....

My closest guess it's a satellite?? But a satellite so low? Are we not alone??...-:). 

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What a magnificent capture, Dimitris! fnatastic control on exposure at the right moment & very well execution!      Best regards 7x2!

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Well thank you my friend! You are extremely generous!!! The capture of the celestial event though is completely accidental...

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Thank you for your comment my friend, but I definitely think it's not a lens flare! I know what a lens flare is...However I am very pleased that you took a guess!!

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Thank you very much for your visit and comment! ....I guess you don't know either, you are in the 'dark' like the rest of us, ha...-:).

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Very nice photo. the structure that you allude to is interesting. however, if this was a real "thing"  then is it possible that you noticed the small meteor but missed the much bigger structure? would you please let me know if you noticed that with naked eyes or just discovered it in the photo? compliments -koushik

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Thank you very much for having a look and commenting and giving me the opportunity for an update. Prior to taking the photo I was not aware of anything else other that the small meteor shower that I already mentioned, but in the sky at night we get a lot of shooting stars sometimes and that event was coincidental as it transpires. After I took the picture I did not see the ‘phenomenon’ on the camera screen or in the sky. I am normally more interested in the histogram and the focusing.
I did not see an enlargement of the photo until recently, I have literally hundreds of pictures that I have not looked at properly yet. Looking at the metadata again I suddenly realized that the time of the exposure was 25 seconds and not 1/25th of a second as I originally thought when I posted the picture… (an elderly moment Ray…-:)). Anything moving in the sky would have disappeared from the photograph unless it was absolutely stationary. The answer lies in the time of the exposure. There is a very bright street light at the bottom of the picture that is yellow, that means is a sodium light. Sodium light occupies a very narrow band of the spectrum and it focuses very precisely. When I was training to become an optometrist (the term ‘optometrist’ by the way, was not used in England then, what we used was ophthalmic dispenser), we studied both geometrical and linear optics and we used sodium light as a light source on the optical bench to conduct experiments on both positive and negative lenses and achromatic doublets etc as yellow light focuses very precisely. It is more difficult to design a single lens than to design a system of lenses that contains a lot of elements, simply because one has to incorporate a lot of corrections on a single ophthalmic lens. Lens design was a very important part of the course and we tested with yellow light both axial and paraxial parts of lenses treating it as a point source of light both on the optical bench and theoretically. Sodium light is also used in the manufacture of ophthalmic and camera lenses, telescopes etc. to test them for physical defects and aberrations. To cut a long story short, (because as my wife says; ‘You are lecturing again’…-:)), my theory now is that what we see is an optical phenomenon, the filament of the sodium street light that is refracted through the glass that encases it and it acts like a very weak positive lens focusing it on the cloudy sky. I sent the picture to my old optics Prof’s department for a precise answer (with diagrams..-:)), as it is a very long time since I studied optics and my theory might be wrong.
When I posted the picture I asked a genuine question. Had I realized that the time of the exposure was not short, I wouldn't have done. One doesn't need all that information to be a good photographer though, my wife is a very good driver but she does not have to know how an internal combustion engine works…-:).

Regards and thanks again.

 

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An interesting photograph even without the "event" but your analysis was fascinating.  However, I contend that it more closely resembles a celestial retro-parachute of one of our recent visitors ;-)...  Mike

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When I was younger I read tons of science fiction books and when I first saw the picture I thought of something similar to what you said...-:) and it took a little while for logic to take over...-:). I should change the title now to; Wishful thinking.

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