Late last month, William sent me a William Optics RedCat 71 for review purposes. The Cat 71 was designed to be an ultra-flat, well-corrected imaging APO for modern DSLR/mirrorless and dedicated astronomy cameras. In this post, I’ll provide you with an overview of the telescope’s specs and a few sample images taken with it. Since testing…
I have been using the ASIAIR for my astrophotography projects for the last 5 years. This incredible wifi controller can do it all, from controlling my equatorial mount to running a complete imaging sequence. If you are looking to automate your deep-sky astrophotography and remove many of the frustrations involved with running multiple pieces of…
If you’re getting started in deep-sky astrophotography, I believe that a compact apochromatic (APO) refractor telescope is the best possible choice. A compact APO refractor is portable and lightweight, making it a smoother transition from the camera lenses you may be used to. In fact, in many ways, a high-quality apochromat is very much like…
William Optics is a company known for creating high-performance apochromatic refractors and constantly updating and refining their designs. The RedCat 51 Petzval APO is the latest creation from the company that can’t sit still, and it is bound to shake up the industry once more. I am fortunate enough to have been granted early access…
I am thrilled to tell you that I recently got my hands on a brand new Explore Scientific ED140 CF APO Triplet Refractor. If you’ve been following AstroBackyard for some time now, you’ll know how I feel about APO refractors in terms of astrophotography performance. The refractor telescope design has many unique advantages when it…
IC 5164 – The Cocoon Nebula Imaged with an 80mm Refractor We have had a stretch of clear nights this summer, and I have been taking full advantage! This year I decided to spend some time in the sweet spot of the sky, Cygnus the Swan. This area of the night sky rises high overhead…
How the Rosette Nebula looks with a Stock DSLR Will an unmodified Canon DSLR pick up the red nebulosity? Happy New Year! I was finally graced with some clear skies that showcased the beautiful winter milky way on Monday. The moon was about 19% lit, and it didn’t set until about 10:30 pm, so about…