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[OM] Re: night time conundrums

Subject: [OM] Re: night time conundrums
From: Chris Barker <ftog@xxxxxxxxxxxxxxxx>
Date: Tue, 30 Mar 2004 18:01:01 +0100
I don't know for sure James; the colours are lovely and the 'trail' is 
crooked enough to make me think that it is a scratch.

Chris

On 29 Mar 2004, at 23:07, James Royall wrote:

>
> I took several night shots on my last roll of film and a couple of them
> have things on them that I can't explain. The first is flare related
> and the second a strange apparition in the sky:
>
> Pictures can be found at:
> http://homepage.mac.com/royalljames/PhotoAlbum5.html
>
> The first is of a newly completed Libeskind building (he who built the
> Jewish museum in Berlin) for the London Metropolitan Uni in north
> London. It was taken looking fairly near vertically upwards, and if I
> remember correctly there was a streetlight not too far out of shot to
> the right. Lens was my trusty 35-70.3.6. There is aperture shape flare
> visible near the centre of the image, which I would think comes from
> the moon. Could this just as easily come from the off picture street
> light? Also, the bottom right hand corner lightens considerably. Now,
> I've cropped away the right hand edge of the slide, but on the
> original, moving from left to right, the blue lightens and then 'steps'
> back down to a darker shade again, with quite a hard vertical line
> between the light and dark shades. Could this be caused by the off
> frame street light also? Basically I've learned my lesson that hoods
> need to be used at night as well. It's probably even more important at
> night when dealing with point light sources.
>
> The second shot is a Roman Catholic church taken from my sitting room
> window (which is, incidentally, in another church - there were as much
> choice in faiths 150 years ago as we have tv channels now). When I
> first got the film back, I thought the slide was scratched, but it
> turns out to be a light trail. My question is, what caused it? First
> thought is a plane as there are plenty above London, but why does the
> brightness vary as it does and not in relation to the clouds? I've put
> in a detail from the slide at actual pixel level before sharpening,
> which does seem to back up the plane idea - steady light plus flashing
> light on wing tip, but I can't figure out why it isn't steady, and also
> the angle seems to be dangerously downward. Maybe the path of the light
> straight into the nave of the church is a clue?
>
> Thoughts anyone?
>
> James
<|_:-)_|>

C M I Barker
Cambridgeshire, Great Britain.

+44 (0)7092 251126
ftog at threeshoes.co.uk
http://www.threeshoes.co.uk
http://homepage.mac.com/zuiko
... a nascent photo library.


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