Awesome! Thanks for the links!
I've noticed your images look SIGNIFICANTLY less noisy than mine (taken on a 5D Mk III), what kind of noise-reduction are you using, if any? A lot of your ISO 20k images look better than my 6400 images! (such as this one: http://500px.com/photo/33608607) Are you just using LR's chroma noise reduction?
Great website, love the analysis, super-helpful!
Thanks. If you look at the second page linked on there those full size examples have zero noise reduction done other than color. I tried to do some on the smaller sized versions but pretty much it wasn't helping any of them and making them look worse, so most of those don't even have any sized down. But the full sized crops on the second page were left alone to show the noise/lack of noise. Pretty amazing sensor up in those extreme ranges. But a lot of it can just be the scene. Like if you have any haze or fog it will obviously show noise a lot quicker. THis was very clear and so also there are a lot more stars too and that added detail tends to hide noise/make it appear better.