This one promises to be an extremely difficult contest to vote on. So good luck to everyone. Please vote for the best picture in black and white. You have one vote to cast in each group. 1. turbo-1 2. Janus 3. alex caps 4. larkspur 5. 0TheSwerve0 6. SpaceTiger https://www.physicsforums.com/showthread.php?t=157866" Zz.