Managed to collect some data after the Moon set and the cloud rolled in. Carina was close to the zenith for this data. So the data is about as good as it gets from my light polluted site.
Canon 5DH, Canon 300mm F2.8L at f/3.5. Hutech LPR filter. Camera temperature -10C.
Exposures 20x30s, 20x60s and 13x20s. usual HDR method.
Medium image 3MB
http://d1355990.i49.quadrahosting.co...2/car_M-10.jpg
Large image 8MB
http://d1355990.i49.quadrahosting.co...2/car_L-10.jpg
The Franken Fridge was well worth all the effort.
Bert