I recently installed the Aurora 2018 HDR software on my PC and here are a couple different HDR combines which greatly enhance the detail in the solar corona as well as helping to bring out the detail in the Earthshine-lit lunar surface in some HDR exposed images of the August 21, 2017 total solar eclipse. The HDR combines use 5 images taken at 2 stop intervals from 1/500 seconds to 1/2 seconds using my Canon 6D with a 0.7x focal reducer on my 8 inch EdgeHD telescope. The images were taken about 25 seconds before the end of totality when the prominences on the western side of the Sun were mostly uncovered by the Moon. Once I learn how to use Aurora, I might be dangerous in taking HDR images!
This second image trades some corona brightness for some more detail on the view of the prominences but uses the same 5 images as the first image above.
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