Good on ya, Pete! You braved both nights, and they were brutal. As I said in my observing report, the cold was enough to break equipment. I'm really glad that you not only got to observe, but you got some good data to report.
15" f5 Starsplitter Dob/80mm Finder
5" Explore Scientific APO on Ioptron mount
4" f13 Gibson Homebuilt Refractor
"He numbers all the stars, and calls each one by name." Ps 147:4