Tonight was a total lunar eclipse. Lunar eclipses are pretty, but not super rare. Tonight's started before moonrise, and by the time I got out to snap a picture ...
ASTRONOMY CATALOG INDEX 1. DISCLAIMER. 2. PRODUCTS & SERVICES . 3. COMPANY PROFILE. Optical Components and Material; Optical Material; Pyrex Components and Material ...
43.4" f/3.6 visual Newtonian, 8" m.a. cast cellular flat The primary mirror for this telescope was originally ordered several years ago. It was supposed to be a cast ...
01/17/15 Atkins diet update. I hit a big milestone today. I have lost 50 lbs so far! I had been a little bummed out that my weight loss had plateaued for a while.
A mirror is an object that reflects light in such a way that, for incident light in some range of wavelengths, the reflected light preserves many or most of the ...
Mirror making: The following information is based on my own, and other Club -members' experience in making, or helping make, test and finish about 50 or so mirrors ...
This is a full-thickness, 8 inch diameter telescope mirror blank that I made myself. This web page will show how I did it. Why make my own mirror blank?
43.4" f/3.6 visual Newtonian, 8" m.a. cast cellular flat The primary mirror for this telescope was originally ordered several years ago. It was supposed to be a cast ...
Telescopes for sale in South Africa - TechnoPro -...
Whether a beginner or advanced telescope enthusiast, we have the telescope for you! We offer best sale prices on top brands such as Celestron, Orion, Sky-Watcher and ...
I use glass in artwork etching the back of the mirror with a Dremel and bit. Can the dust generated be harmful if in haled or accidentally touching my mouth before ...
Advanced Glass Industries: Suppliers of Precision...
Advanced Glass Industries is a precision manufacturer supplying the industry with precision machined and molded glass blanks for the optics industry and beyond.
October 22 Orangevale, CA This muscle car (1978 Trans Am), gun safe, slot machine and house full of fun collectibles is just WAITING for you to join ...