One of my reasons (justifications) for buying a DSLR was so that I could get back into astrophotgraphy. Film is all very well, and Ektachrome was almost a legendary emulsion, but CCD/CMOS sensors are far more efficient at gathering faint light. An image that might have required 10 minutes of carefully-guided exposre on film, might now be achieved in 30 seconds with a static camera. Anyway... I have exercised the beast with the main telescope at the Brisbane Planetarium, just to make an initial test of its capabilities. The results, such as they are, can be seen on the Astronomy page.