Please choose the correct ending to complete the given sentence: Youth: [header] How to watch the orionids meteor shower [title] Find the peak viewing hours for this year. [step] Check the moon phase to see if its brightness might interfere with seeing the meteors. In 2012, waxing crescent moon setting before midnight will create a dark sky ripe for meteor watching.

Ending1: If the weather is needed, moon-observance may be possible along with the meteor shower. [title] Ensure that the sky is clear before day begins. Ending2: If the weather is going to be cloudy in your area, though, you might be out of luck. If it's only cloudy on the peak night, you can try watching the meteors on other nights between the 17th and the 25th. Ending3: With drooping clouds, moon control is necessary. [substeps] Weather researchers have found moon viewing hours gradually increasing or decreasing over time until meteor observation is almost optimal. Ending4: [substeps] During the crescent moon day, keep the sun at the crust of the sky, somewhere between 24 to 48 hours old. In 2022, waxing crescent time covers the moon's course and is the optimal night for viewing constellations.

Answer format: ending1/ending2/ending3/ending4