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Debayering


catherineryanhyde

Question

I'm afraid this will sound ignorant, but here goes. (First: BYN 2.1.2 with Nikon D810A) Debayering is a pain in the butt and one of the reasons I love BYN is that the images come out in RGB color with no bayer matrix. I thought there might be a setting that defaults to this, but I'm not finding one. Last night I took the Double Cluster in Perseus in the evening, and comet C/2022 E3 (ZTF) in the morning. The former came out normal, the comet images were grayscale with what looks like a very faint bayer matrix. I was able to debayer one and get the green of the comet, but can anybody help me figure out how that happened? 

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It is exactly that - the Image Processing programs - which are in the background performing the Debayering before they display the Image to you (even Paint and the Windows Explorer Thumbnail Image Viewer are internally such programs).  You haven't specified which Image Processing program you are using, or what steps you performed - but ALL OF THAT is well beyond anything which BYN is doing.  In fact, other than controlling the Camera, BYN simply asks the Camera to transfer the Image Files (NEF and/or JPG) and writes the transferred files to the Download directory (never touching the RAW Image data).

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