  We decompose the COBE/DIRBE observations of the near-IR sky brightness (minus
zodiacal light) into Galactic stellar and interstellar medium (ISM) components
and an extragalactic background. This empirical procedure allows us to estimate
the 4.9 micron cosmic infrared background (CIB) as a function of the CIB
intensity at shorter wavelengths. A weak indication of a rising CIB intensity
at wavelengths > 3.5 micron hints at interesting astrophysics in the CIB
spectrum, or warns that the foreground zodiacal emission may be incompletely
subtracted. Subtraction of only the stellar component from the
zodiacal-light-subtracted all-sky map reveals the clearest 3.5 micron ISM
emission map, which is found to be tightly correlated with the ISM emission at
far-IR wavelengths.
