I captured one almost 4 years ago (wow has it been that long!!), in April 2005.
Penumbral Lunar Eclipse, 24th April 2005
The darkening can be reasonably visible to the naked eye, but it is even more so photographically, especially with a bit of post-processing.
If it was clear here tonight, I might head out for a look but it's predicted to be cloudy all night. I'm not devastated about it though. I'm more devastated I missed the Titan transit.
The lunar eclipses ONLY happen at full moon so it doesn't make it any worse

It's what makes it