Photo (Album) Synthesis

I think
you’re like spring umber--
just a glimpse of you
before all’s chartreuse.
One minute you’re here,
then away--
and in the next, I realize
you’ve always been gone.

Hey, it’s NaPoWriMo Day 30! What?! We did it!
This is for Bjorn’s prompt in the Imaginary Garden, having to do with particle waves and photoelectricity or somesuch.