@JeremyECrawford Would Detect Magic show an aura around an illusion? My guess is no since illusions aren't creatures/objects.

— Armando Doval (@armando_doval) February 22, 2017

Detect magic lets you see an aura only around a visible creature or object, not around an illusion. But you can sense the magic. #DnD https://t.co/BxhUAtuaCg

— Jeremy Crawford (@JeremyECrawford) February 22, 2017