Hi all,
here's the first picture with the new 2" Baader UV/IR Cut filter. The filter has really improved my imaging capabilities since it cuts out the IR light from the sky background. My images don't turn out so red with the modified Canon 300D.
There's a higher resolution image here
http://www.skylab.com.au/pmsa/NGC%205139c.html
ImageNGC5139 20060420
Field of View 50' x 33' arc-minutes wide.
Telescope 12-inch f/5 newtonian telescope
Guiding hand guided with 4.5-inch guide-scope.
Camera Canon EOS 300D Digital - Hα enabled.
Exposures 5 x 30-second exposures @ ISO-800
Total Exposure time 2.5 minutes
Filter/equipment Baader 2" Multi-Purpose Coma Corrector.
Baader 2" UV/IR Cut Filter.
Processing Dark frame subtraction, bias and flat-fielded in Iris,
Photoshop, Noiseware.
Exposure Date 2006, Apr 20.