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Comparison image of OSC Dual Narrowband Filters

Started by JohnDeathridge, Sep 07, 2023, 13:16:24

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JohnDeathridge

Hi all though this may be of interest. I have been doing some exploring with a single and two OSC narrowband filters based on a very interesting article I read on a site called urbanastrophotography by a very helpful guy called Lee Pullen. He helped me tweak the process on the two OSC filters and prepare a very good document that I am happy to share.

I will upload the main image later today if I can out wanted to share this.



 

JohnDeathridge


Carole

I managed to open the PDF in the gallery and took the liberty of copying this John and posting separately on the Gallery (under OAS) so it could be posted here. 

What would also be really interesting would be a comparison to a normal RGB image.