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Blog Lightning strike photos
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  • Author Author: helium5793
  • Date Created: 17 Jul 2021 12:35 PM Date Created
  • Views 1357 views
  • Likes 4 likes
  • Comments 8 comments
  • photographych
  • canon camera
  • lightning
  • arduino
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Lightning strike photos

helium5793
helium5793
17 Jul 2021

My intention is to make a circuit that can see the increase in brightness of a lightning strike and trigger a canon camera to photograph it before it fades.  I have partially succeeded in this several years ago, but need to look up my current circuit, describe it and see about improving it. 

A list of needs:

appropriate sensor

arduino to control it

camera interface

protection from bad weather.

Portable power.

 

john

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Top Comments

  • DAB
    DAB over 4 years ago +5
    Having done lightning photography, I have won awards with some of my shots, here are some things to consider. Most lightning lasts about one second and generates repeated strikes at about 38 HZ, which…
  • beacon_dave
    beacon_dave over 4 years ago in reply to DAB +3
    Even more fun if you have a high speed camera lying around Lightning Strike at 103,000 FPS - YouTube ( Just need to setup on the correct side of the hotel ! )
  • dougw
    dougw over 4 years ago +2
    https://www.electroschematics.com/lightning-detector/
  • DAB
    DAB over 4 years ago in reply to beacon_dave

    Yes, if you have access to a high frame rate cameras, you can see all sorts of things.

     

    DAB

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  • beacon_dave
    beacon_dave over 4 years ago in reply to DAB

    Even more fun if you have a high speed camera lying around

    Lightning Strike at 103,000 FPS - YouTube

     

    ( Just need to setup on the correct side of the hotel ! )

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  • DAB
    DAB over 4 years ago in reply to beacon_dave

    Nice sequence.

     

    Yes there are a lot of ways to go about solving the problems.

     

    As long as you live somewhere where you get lots of lightning, like Florida, you can have a lot of fun projects playing around with cameras, software and different triggering methods.

     

    DAB

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  • beacon_dave
    beacon_dave over 4 years ago in reply to DAB

    I recall someone taking a similar approach a few years back. I think it was this project:

    https://lukse.lt/uzrasai/2015-05-lightning-strikes-and-python/

     

    Not likely to win any competitions but it may be of interest to see what can be achieved using a GoPro 3 action camera.

     

    According to the write-up it takes about 8mins for a 'quick and dirty' Python OpenCV motion detection script to process 15min of 1080p @60 video on an i7 CPU.

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  • DAB
    DAB over 4 years ago in reply to robogary

    Depends upon your computer and resolution.

    You can get OpenCV to run at 60 Hz, but by the time you process the frame and send a trigger pulse, you will probably miss it.

    I would just set up a good HD video camera and then use OpenCV to sort those frames that do not have a flash in them.

     

    DAB

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