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Hi everyone, I've noticed a few of my narrowband images have recently had some horrible lens flare when capturing at 300s (at least that's what I think it is). I thought it was a flats issue but after much experimentation, I've found flats do not fix the flare. I'm using a 2600mm on a Redcat 51, maybe it's overexposing? The individual subs do not show any of these artifacts, that's why I thought it may be a flat issue. Is there anything post processing that can fix this or should I retake at lower exposure time? See shots for examples below. Thanks! Chase Flame Nebula Sulfur data light flare  Orion Oxygen data (Orion Nebula has flare) Rosetta Nebula Hydrogen Data light flare  |
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| It isn't a lens flare, That's for sure. Read-out issues most likely. |
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| I had these occur when calibrating files in pixinsight with WBPP. Using the Linear defects correction caused them to occur on my calibrated light files. They were not present on my RAW image files. A reprocess without "LDC" solved my issue. |
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I had these occur when calibrating files in pixinsight with WBPP. Using the Linear defects correction caused them to occur on my calibrated light files. They were not present on my RAW image files. A reprocess without "LDC" solved my issue. You are a hero, I’ll run wbpp now and let you know. |
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I had these occur when calibrating files in pixinsight with WBPP. Using the Linear defects correction caused them to occur on my calibrated light files. They were not present on my RAW image files. A reprocess without "LDC" solved my issue. That did the trick, thanks so much! |
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Chase Davidson:I had these occur when calibrating files in pixinsight with WBPP. Using the Linear defects correction caused them to occur on my calibrated light files. They were not present on my RAW image files. A reprocess without "LDC" solved my issue. Awesome! |
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| From what I understand, "linear defect correction" is meant for readout problems typical of CCD sensors; it should not be useful for CMOS sensors. |
