My Mount
My image shows my Astro mount made by Mr Hall in Queensland in year ??
The tripod has adjustable feet, I replaced the original post with a 100 mm one, and made up a fine-adjustment to assist in polar alignment. The gear wheels are 150mm in size and the worm has a four minute turn. In setting-up in the field I use my compass on the leg pointing south, that is good enough a polar alignment for viewing, and also for my ST-4 to happily auto guide all night if needed. The homemade controller box has 8 micro switches that enables me to adjust the tracking. Fast forward speed is TWICE THE DRIFT OF A STAR.How about that, can you beat that??
You can keep your fully electronically driven scopes, for which there will be no parts after a few years, ( as happened to my second hand 1997 Celestron 8 inch Ultima) Ha Ha.
Ken
|