WW Cassiopeiae (WW Cas) is the small red star in the middle of the image. It is listed in SIMBAD as a carbon star and it has a spectral type C5,5. Visually, it is observed to be the classic deep-hued red color common to most carbon stars.

WW Cassiopeiae is a pulsating variable that ranges in visual magnitude from 9.10 to 11.7. It is too faint to be seen by the naked eye and a telescope is required to view this star.

The star is 1095.7703 parsecs from us which means it is roughly 3573.9247 light years away.