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Where can I find water vapor images?

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  1. Mar 27, 2018 #1
    I am searching for images of the daytime sky taken within the water vapor absorption bands at 940nm, 1600 nm, 1860 nm, 2700 nm or 2900 nm. Specifically I am trying to see if multispectral images of in-band and adjacent out-of-band photos could be subtracted to show areas of slight water vapor differeneces (~1%) in a clear sky at distances of 500 meters to 1500 meters.
    I have hopes that someone must have done this and published the results, but I can't seem to find it. I would do this myself but the price of bandpass filters above 1000 nm. is very expensive.
     
  2. jcsd
  3. Mar 27, 2018 #2

    Tom.G

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  4. Mar 28, 2018 #3
    Thank you Tom. There is no shortage of these images taken from 22,000 miles in space. However I want to see short range, slant path (~45 degrees) images taken from the ground or horizontally from an airplane. Image processing (subtraction) may be able to enhance the water vapor difference.
     
  5. Mar 28, 2018 #4

    Tom.G

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