6 min read
The fundamental difference between a refractor and a reflector is how they collect and focus light: a refractor telescope uses...
Theory
3 min read
If you’ve ever dived into the weeds of deep-sky imaging software, you’ve probably run into the term PSF, or Point...
4 min read
What is dithering? Dithering in astrophotography is a technique where you intentionally shift the camera a few pixels in a...
4 min read
As I have already mentioned in another article, astrophotography is the art of capturing extremely low amounts of light over...
5 min read
The simple answer is: you cannot! Yes, this is the most frustrating part of the hobby, especially when the small...
2 min read
We all have the same situation: our equipment operates outdoors. Sometimes, weather conditions require covering it; sometimes, you have your...
2 min read
Long story short: ADU stands for Analogue-to-Digital Unit As you probably remember, the camera has a sensor, usually CMOS. This...
3 min read
What is magnitude, and how do you interpret the value? To answer this question, we first need to cover another...
2 min read
The Bortle scale is a system created by John Bortle to measure and categorise sky darkness. He is an amateur...
4 min read
Harmonic or strain-wave gears have become very popular in the last few years. What is so catchy to attract people...
