The sun will not set before 8 p.m. in West Marin for the next few months, and with longer summer nights ahead, some artists in Point Reyes Station are making sure there will be plenty to do. Starting Friday, June 7, a group of galleries in town will open their spaces to the public from 5 p.m. to 7 p.m. on the first Friday of each month. The art walk series will run through October.…