24″ Design Considerations
The design for the 24″ I’ve arrived at is based on the design in the image above (from an amateur…
Review: The Celestron Deluxe Off-Axis Guider
By Gord Tulloch, published in the May/June issue of RASC Winnipeg Centre Over the past couple of years, I’ve tried…
Identifying the mystery glass!
I have a 24″ (609.6mm) diameter piece of unknown glass that weighs 72 lbs (32.6 kg) on the nose and…
6″ F3.3 Extra Wide Field Newtonian Reflector
Since I have a couple of 6″ mirror blanks and need to get back into the mirror grinding groove for…
NTT16 Assembly
My 16″ F/4.5 Telescope is pretty close to done – just have to mount the motors and belts, and test…
NTT16 Progress
Sorry no pictures of the actual scope but got a lot done over the Xmas holidays, all the major components…
Strain Analysis
Before starting to grind my 24″ project down to a more reasonable focal length I decided to test the blank…
Stripping the Coatings
Finally got my FeCl and stripped the two mirrors I’ll be working on this winter – the 12″ is perforated…
New 24″ Project Glass Arrives!
After years of wondering the best way to create mirror blanks in the 20″ and up class using kilns etc.…
The Rose of Winter
The Rosette Nebula in Monoceros. Imaged on iTelescope T20, a 106mm Takahashi refractor with an SBIG STL-11000 camera by taking…