Darkvision, Communal

Transmutation
Level: Alchemist* 3, Antipaladin* 3, Artificer * 3, Hunter * 4, Ranger * 4, Sorcerer */Wizard * 3
Components: V, S, M (either a pinch of dried carrot or an agate)
Casting Time: 1 Standard Action
Range: touch
Target: creatures touched
Duration: 1 hour/level
Saving Throw: Will negates (harmless)
Spell Resistance: yes (harmless)

This spell functions like darkvision, except you may divide the duration in 1-hour intervals among the creatures touched.