This mosaic is made up of eight panels. Taken with the 300mm lens. The FoV is 15.3 X 7.9 degrees.
Each panel has 20x(15s, 30s, 60s & 120s) exposures at 1600 ISO at f/3.5. The usual HDR method. This is a total of 640 exposures for a total of ten hours. This is 48GB of tiff data. The 'new' computer an i7 920 with 12 GB of ram and sixty four bit operating system made the huge job of processing a lot faster and less tedious.
Small 1.3MB
http://d1355990.i49.quadrahosting.co...co_MOS_F_S.jpg
Medium 7.7MB
http://d1355990.i49.quadrahosting.co...co_MOS_F_M.jpg
Large 29MB
http://d1355990.i49.quadrahosting.co...co_MOS_F_L.jpg
The original tif is about 750MB. Even though the data was collected over many nights, the fact that it had rained before the skies cleared each time meant transparency was very good. Collecting all data near the zenith also made gradients far less of a problem than usual. GradientXterminator was not used.
Bert