Thread: Trifid in Ha
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Old 09-05-2016, 08:41 AM
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RickS (Rick)
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Nice level of detail, Al. The HH jets are always a good test on this target.

Quote:
Originally Posted by glend View Post
What causes the diffraction spikes to turn into a string of dots? Beautiful otherwise but i find the lines of dots distracting.
It's a normal diffraction pattern for a spider and narrowband filter. You see the same effect in R/G/B data but more smeared out by the larger bandwidth. My Ceravolo 300 produces pretty rainbow coloured spikes in RGB images.

Cheers,
Rick.
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