sloping horizons

Btw, I used the words bar and steward in my post. Auto swear word blocking is too smart for its own good :)
 
Some of the replies in the New Scientist link (in post 17) do say the curvature can be seen from Blackpool tower or sea level but there are also comments that other distortions could be causing the effect. There are a few replies that have been selected and edited by New Scientist staff that indicate seeing the curvature of the Earth from sea level or somewhere like Blackpool Tower is going to be almost impossible.
Dave
 
Tringa said:
Some of the replies in the New Scientist link (in post 17) do say the curvature can be seen from Blackpool tower or sea level but there are also comments that other distortions could be causing the effect. There are a few replies that have been selected and edited by New Scientist staff that indicate seeing the curvature of the Earth from sea level or somewhere like Blackpool Tower is going to be almost impossible.
Dave
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I'm not aware that you can even see horizon curvature from a commercial airliner at 11,000 m altitude, although this site says under good conditions, curvature of the horizon should be visible from 10,600 m.
As I recall, when the Austrian skydiver Felix Baumgartner made his altitude record skydive from 39 kilometres, there were reports that the curvature of the earth was visible from that height.
As for seeing it from Blackpool Tower? - I don't think so.
Do you really mean horizon curvature, or are you referring to seeing something tall, like a ships mast when the hull of the ship is below the horizon?
In the above case you can see that from sea level.
 
dean messenger said:
and as i stated " more and more i see people put images up for sale" .. i dont have that up for sale anywhere.. what people do with there personal pics is up to them.
think people need to leanr to read thread properly first before jumping on the bandwagon. and its p*** poor behavaour to pull up someones images without there permission first. moderators may need to look at that kind of behavavior and deal with it as i didnt give permission
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But don't you see the irony?? You start a thread about wonky horizons, how easy it is to get right, in camera and in PP (leaving no excuses!), when it turns out you are one of the very offenders that causes you such annoyance, so much you start a thread about it?!

You must admit, it's a bit of a thread fail :)
 
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dean messenger said:
bloody well annoys the hell outa me.. surely if you cant get it right in camera you can at least get it right in pp. its not exactly rocket science and most PP software has grids and rulers to help level things.

more and more i see people put images up for sale ( especially seascapes ) where you could have a downhill water skiing event the horizon is so wonky.

sorry for the moan its a pet peeve of mine that something so simple to fix appears so often due to sloppiness and laziness and then people get all shirty and uppity when you point it out to them.
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You're not wrong there!
 
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dean messenger said:
bloody well annoys the hell outa me.. surely if you cant get it right in camera you can at least get it right in pp. its not exactly rocket science and most PP software has grids and rulers to help level things.

more and more i see people put images up for sale ( especially seascapes ) where you could have a downhill water skiing event the horizon is so wonky.

sorry for the moan its a pet peeve of mine that something so simple to fix appears so often due to sloppiness and laziness and then people get all shirty and uppity when you point it out to them.
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We used to sell greetings cards of paintings from a local artist. Always used to drive me insane that a particular seascape had been painted with a sloping horizon!
 
:ROFLMAO:must be my old age and wonky eyes then, no matter how carefully i line up the grid lines in the viewer, i always seem to have a tilt when i finally press the button !:banghead:

:p
 
I had a framing fail in a building when I was trying to get it level using the camera level-finder, but the photo looked completely "off".

I was getting worried that my camera was faulty, until it dawned on me it was a very old house... put pencil on the floor and off it rolled to a side wall. Floor wasn't level.
 
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