For pictures taken by moonlight, or of the moon, but in any case with no artificial light.
Pictures of a blurry white dot in a black sky will be deleted due to extreme lameness.
How is your city tonight? - ¿Cómo es su ciudad la noche? - Como é a sua cidade a noite?
Share your photos from an eclipse Lunar or solar. It should be a true eclipse, but if you post an eclipse that you have created, and it is creative and interesting it MIGHT be allowed to stand. No promises though.