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Thread: Orion Skyglow vs Skyglow Imaging

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    Default Orion Skyglow vs Skyglow Imaging



    Looking to pick up a 2" skyglow type filter for use with my xt10g in Naples, Florida. Does anyone know the main difference between the Orion skyglow and skyglow imaging filters other than price?

    Any other recommendations? I'd like to keep price under $100 if possible.
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    Default Re: Orion Skyglow vs Skyglow Imaging

    I have a skyglow and tried to use it with pretty poor results. Using a DSLR the mitigation was almost not even noticeable and it extended the exposure duration considerably.

    Honestly your not going to get good results from a $100.00 filter I am afraid.
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    Default Re: Orion Skyglow vs Skyglow Imaging

    Here's the thing, an LPR (Light Pollution Reduction) filter is at best going to provide subtle results visually. The worse your LP, the more it will struggle. For those that live under oppressive LP, the filter can simply become swamped by the broadband sky glow and be effectively negated.

    Now I will qualify that a bit. I have a visual Orion Sky Glow, which is basically the same as the Baader UHC-S. From my backyard with moderate LP and at our dark site with very little, I can see some very subtle contrast boost in nebulae and even some low surface brightness galaxies, such as NGC 6946 (Fireworks Galaxy) and NGC 6822 (Barnard's Galaxy). That said, this boost is indeed the epitome of subtle, and may not be noticed easily by observers without an experienced eye used to picking up very subtle detail. It will not render an object visible that was not visible without it.

    Though I have not tested the premise, I have read that the imaging version is actually better for visual use than is the visual version. Of course it is more expensive. Even so, I cannot truly recommend a broadband LPR filter as a general utensil that everyone should have in their case. There are better ways to spend one's money if they are looking for a filter, such as the DGM NPB.
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    Default Re: Orion Skyglow vs Skyglow Imaging

    Never tested skyglow imaging filter, but I agree with Alan's assessment of visual Skyglow. It works but effect is very mild. Generally, I would not recommend it for nebula. It does help on occasion to pull a galaxy or a glob from light dome areas of the skies.

    If you are looking for a filter to improve nebula visibility I suggest Orion's Ultrablock. It is quite effective on all kinds of emission and planetary nebulae.
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