V838MON image filenames have the form

V838Mon_"instrument""band"_skySub_"epoch"_2.fits
or
V838Mon_"instrument""band"_"epoch"_skySub_blanked_2.fits

instrument = PACS or SPIRE
band = the wavelength in microns:
	70um, 100um, 160um for PACS, and 250um, 350um, 500um for SPIRE.
epoch = ep1, ep2, or ep3

blanked images have masked V838Mon.