It's nowhere near the sophistication of your software, but early in my TSD career I replaced our tables with a linux laptop and a bunch of code that took a correction factor and on-the-fly pauses and CAS changes and continually displayed ideal mileage.
The software per se worked well, but dealing with an entire laptop was a cumbersome pain.
(I'm not sure if it counts vs. your third point or not, though. As for your first, which big telescope? Am I reading this right that it was an actual eyeball obervation and not CCD? If so, I'm really curious what you were up to. (It's not out of the question that I can coordinate with SAO people I know for a "put an eyepiece on the MMT and impress people" session (and maybe also for Palomar if I'm lucky, though at least tourist time on their 60" is easily doable), but it's not like they have much slack time.))
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The software per se worked well, but dealing with an entire laptop was a cumbersome pain.
(I'm not sure if it counts vs. your third point or not, though. As for your first, which big telescope? Am I reading this right that it was an actual eyeball obervation and not CCD? If so, I'm really curious what you were up to. (It's not out of the question that I can coordinate with SAO people I know for a "put an eyepiece on the MMT and impress people" session (and maybe also for Palomar if I'm lucky, though at least tourist time on their 60" is easily doable), but it's not like they have much slack time.))