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Old 19-02-2012, 07:05 PM
Poita (Peter)
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Poita is offline
 
Join Date: Jun 2011
Location: NSW Country
Posts: 3,586
I was about to bet they were Astronomiks the moment you used the word Halos. I had halos, switched to Astrodons and the halos went away.

http://www.astrodon.com/products/filters/narrowband/

The good news is that they have acknowledged the problem, and you might get a free upgrade, see here:
http://www.astronomik.com/en/news/as...r_halo_problem

Alternatively, you could try adding an IR filter and see if the halos disappear.
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