Night sailing is a whole new experience you should try if given the chance. While in college with the sailing club on an overnight weekend a windsurfer got the bright idea to duct tape a flashlight to the base of his mast, shine the light into his sail, and go sailing. Next thing, the whole club of about five windsurfers and 10 boats was out there with the same idea, but the Hobies and windsurfers had the best profile with the beautiful colors brightly lit - you could see the sails from anywhere on the lake. The light of the moon and familarity with the lake was enough to avoid hazards.