Traub & Oppenheimer

Planets around G2V - WFIRST bands

Planets around G2V - Johnson bands

Star Wars planets and Solar system - WFIRST bands

Star Wars planets around G2V - WFIRST bands

Solar system with nearby galaxies - Johnson bands

data from Pugnielli 1998

Solar system with (brighter) galaxies from COSMOS - WFIRST bands

For the galaxies, I used the COSMOS source catalog including narrow band filters, fit all galaxy SEDs with models, and then used the predicted model colors for each of the WFIRST bands.