Details
Canon 5DH. 100ED with AP FR/FF f/6.7, Hutech LPR filter.
All at 1000 ISO 5x( 30s, 1m, 2m, 4m, 8m) with fridge at 1C. Converted from RAW to TIFF and corrected for flats with images plus. Aligned with Registar and generated an LDR from this data with EasyHDR.
Large image 2.3MB
http://members.optusnet.com.au/~fmlee/lmchdr100ed.jpg
Thats not noise in the background. They are stars.
I have also uploaded a better version and note the lack of stars in the dark nebulae..
Bert