30 hour exposure? I went back to the first pics to check-out your equatorial mount. Damn... that's not the stuff you rent from the astronomy store lol. I also noticed the garage door opener set-up to move your roof on & off. I imagine you A/C to pre-cool the whole place before opening even..... Nah that's more Mauna Kea than Mount Wilson. Damn.
So you're taking pics over the course of several nights? Pretty neat that the subject is so far away that the earth / camera will have moved around 1.6 million miles between every exposure (24 hrs) without changing perspective (noticeably, anyway).
You doing any spectroscopy in there too?