The images were stacked using dark frames in DeepSkyStacker and processed in Adobe Photoshop. Canon EF 75-300mm Lens for Astrophotography.
How To Take Dark Frames For Astrophotography Best Practices
Flat frames require a little more effort than dark frames but can be collected in a very short amount of time.
. I believe that dark calibration frames are a must for DSLR astrophotography. Over the years I have used a number of camera lenses for astrophotography from the Canon EF 50mm F18 nifty fifty to the Canon EF 24-105mm. Depends on users feedback this IMX178 sensor has line pattern noise when do Ha solar imaging please take flat frame for calibrationout of focus or add a barlow lens to take flat frames.
In my experience they reduce a significant amount of noise in the final image through dark frame subtraction. Before and After processing my image of the Witch Head Nebula. We recommend our ASI1600ASI174 mono camera for Ha solar imaging.
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