Well, I’ve finally done it! I’ve finally bought my long sought after Celestron 9.25-inch optical tube assembly (OTA). I had been very patient, waiting and waiting for a used one to come up for sale at a reasonable price with the newer Starbright XLT coatings, as they have about 10-15% greater light transmission than the […]Read More January 8, 2018: The C9.25 Of My Dreams Is Here! And the Trapezium Falls to its Might!
I received my GSO dielectric diagonal from Agena on Friday the 19th. The weather reports were for clear skies, and I was eager to go out and have my compare/contrast contest between the old diagonal, which supposedly is only 90-91% reflective, and the new, which is supposed to be 99%. However, the weather reports were spectacularly […]Read More December 25, 2014 – Upgrading the Mak, Part 4 – Diagonals, ST-80