The sky was incredibly clear tonight. This is at 200mm plus a 1.4x teleconverter, for an equivalent of 280mm. Add in the 1.5 crop factor for the D200 and the fact this is a 100% crop, and we're waayyy up there in terms of 35mm film equivalent focal length.
Speaking of 100% crop, compare this to the best I could do with my Canon S2 IS point and shoot and full zoom: