|Canon T5i: 20 frames stacked in Registax, each at 300mm, ISO 100, 1/200 sec, f/5.6|
Clarity is pretty good though, and I didn't even do a High Pass layer on this one - just shoot and stack. I'll have to try a little faster shutter next time.
Shooting an eclipse isn't so much about planning in advance as it is about adjusting quickly (so I've found in my limited experience). The lighting changes quickly from a very bright full moon to a moon darker than the thinnest crescent.
Side note, I've been digging these Celestron countdown images on Instagram, check it out: