The Orionid meteor shower will peak Wednesday. Linked to Halley's Comet, it lights up the night sky. Best viewing early morning. Halley's Comet, last seen in 1986, leaves debris causing the shower. Stargazers should find dark spots away from city lights. The Orionid meteor shower is an annual event that is caused by Halley's Comet. It lights up the night sky with its shooting stars. The optimal time to see the Orionid meteor shower is early morning. Halley's Comet, which was last observed in 1986, leaves debris causing the shower. Stargazers should find dark spots away from city lights. This will provide a clearer view of the Orion meteor shower.