In infrared astronomy, the N band refers to an atmospheric transmission window centred on 10 micrometres (in the mid-infrared).[1]
![](http://upload.wikimedia.org/wikipedia/commons/thumb/1/1c/Atmosfaerisk_spredning.png/220px-Atmosfaerisk_spredning.png)
In infrared astronomy, the N band refers to an atmospheric transmission window centred on 10 micrometres (in the mid-infrared).[1]