Discussion Overview
The discussion revolves around the search for specific images of the daytime sky that capture water vapor absorption bands at various wavelengths. The focus is on multispectral imaging techniques to detect slight differences in water vapor concentrations in clear skies over short distances.
Discussion Character
- Exploratory, Technical explanation, Debate/contested
Main Points Raised
- One participant is looking for images taken within specific water vapor absorption bands (940nm, 1600nm, 1860nm, 2700nm, 2900nm) to analyze slight differences in water vapor (~1%) in the atmosphere.
- Another participant suggests resources for finding water vapor images at a 6.7um wavelength, including NOAA and ESA archives, but these may not meet the original request for ground-level images.
- A participant clarifies that they are interested in short-range, slant path images taken from the ground or horizontally from an airplane, rather than satellite images.
- One participant provides a source for affordable bandpass filters that could be used for capturing the desired images.
Areas of Agreement / Disagreement
Participants do not appear to agree on the availability of the specific type of images requested, as some suggest satellite images while the original poster seeks ground-level images. The discussion remains unresolved regarding the exact resources that meet the criteria.
Contextual Notes
The discussion highlights limitations in the availability of specific imaging techniques and the cost of necessary equipment, which may affect the feasibility of the original poster's project.
Who May Find This Useful
This discussion may be useful for researchers or enthusiasts interested in atmospheric science, remote sensing, or imaging techniques related to water vapor analysis.