Why would the dome of a telescopic observatory appear translucent red? Well, patient people used long exposure, and red light illuminating the dome and spinning the dome. Great picture, click on small thumb to visit the link…
Why would the dome of a telescopic observatory appear translucent red? Well, patient people used long exposure, and red light illuminating the dome and spinning the dome. Great picture, click on small thumb to visit the link…
Cyberspace Nova 
Wow. That’s a gorgeous photo. Having the Big Dipper put in an appearance was great, too.