Detect Magic

Range: 60 ft. (Cone)
Duration: Concentration, up to 1 min./level

Effect:
1st Round: Presence of magical auras.
2nd Round: Number and strength
3rd Round: Strength and location of each aura.
Identify school of magic (Knowledge (Arcana) check)
Detects lower level illusion magic
Only one casting can be active at a time.
Can be made permanent with a Permanency spell.