Thanks Greg, thanks Marc.
Using the Ha filter with my DSLR lenses has opened up a whole new area of imaging opportunities for me.
No longer do I have to wait to get away to Wiruna or Coonabarabran every couple of months. I can now set my mount up in the back yard and practice whenever I can. Although the images are only in B&W, they look ok to me and I also get to learn where all the less common objects are.
Ross.
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