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Let's say I have an infared picture of the earth from the space station, is it possible to measure the temperature of the picture area, and thus convert the infared picture I have to a thermal picture?

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  • $\begingroup$ I suggest you rephrase your question as "is it possible to calculate the temperature from infrared satellite data?" $\endgroup$
    – user10853
    Commented Oct 27, 2017 at 12:55
  • $\begingroup$ Note that "infrared" can mean a lot of things. Especially relevant for your question is the distinction between far (longwave/thermal) IR and near (shortwave, near the visual range) $\endgroup$
    – Christoph
    Commented Oct 27, 2017 at 15:44
  • $\begingroup$ @tasos - discnrt1.gesdisc.eosdis.nasa.gov/data/Aqua_NRT/AIRIBRAD_NRT.005/… NASA already does this $\endgroup$
    – user1066
    Commented Oct 27, 2017 at 15:54

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Temperature images are calculated from microwave and infrared data. So in principle yes.

See https://en.wikipedia.org/wiki/Satellite_temperature_measurements?wprov=sfla1

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