![]() The method I have described for taking flats on this page is most useful for those shooting with a DSLR camera such as the Canon EOS Rebel T3i I currently own. Like many aspects of deep-sky astrophotography, your method of taking flat frames will vary depending on the equipment you use. The uneven field illumination and vignetting in my deep sky images were a real pain to correct in post-processing. ![]() Now, I know that flat frames are as important as taking dark frames. This is often a question I get from beginners that are just getting started in deep-sky astrophotography.Įarly on, I was guilty of skipping calibration frames such as flats and bias frames. Once you know what to look for, taking successful “flats” is easy with a DSLR, dedicated astronomy camera, or even a CCD camera. Learning how to take flat frames is an essential step for any deep-sky astrophotography enthusiast. ![]()
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