Is it dark enough?

Astronomers tend to situate their telescopes in places where are no artificial light sources - they want to observe dark sky. One of such places is Las Campanas Observatory in Chile where twin 6.5 m Magellanic telescopes, 2.5 m Du Pont telescope, 1 m Swope telescope and of course 1.3 m Warsaw telescope operate. There are some smaller telescopes like ASAS or Pi of the Sky. It isn't true that we don't like physicists from our faculty, we just don't like the way they treat dark sky. Their telescope during observations looks like that:


Are you able to find any unnecessary light on that picture?
(Clue: there is one in camera casing)

Man on the Moon

Since last week I work in Warsaw Planetarium. This job is so boring, because I have to sit there on a chair and watch visitors if they're not doing anything nasty. Also, from time to time, I have a speech about what You can see on a nightsky now. Today I took a camera and made some very unique pictures of landing on the Moon. Here: