Astroclimatology of Paranal
Typical IR Backgrounds at Paranal (mag/arcsec-2), from J. Cuby et al., The Messenger 101, p.3, September 2000. Note that K, L and M values include telescope background.
Average background at Paranal (mag/arcsec-2), from >4000 FORS1 exposured during Apr.-Sep. 2001, by F. Patat, UBVRI Night Sky Brightness at ESO-Paranal during sunspot maximum.
see also the (U, B, V, R, I, Z) sky brightness as a function of days from full moon
see also the E-ELT Background Model