The Night Star is an artifact that can be found in all three S.T.A.L.K.E.R. games.
This wonderful artifact is formed by the Springboard anomaly. The use of the artifact demands the neutralization of deadly radiation. Expensive and rare, this artifact is extremely interesting for scientific expeditions and other research activity in the Zone. - Night Star artifact Shadow of Chernobyl item description. The Night star increases bullet protection by 5% and radiation by 5%. The Night star's effect is quite insignificant unless combined, and one could easily combine Night stars and an anti-radiation artifact.