Asteroids, for the most part, are lonely rocks orbiting quietly in the solar system. They orbit the Sun in ellipses, meaning that when measured from the Sun, sometimes they’re nearer…
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Autoguiding: how much is good enough?
Autoguiding has revolutionised astrophotography. While your main imaging camera is off doing its job, a second camera keeps an eye on a star – any star – in the telescope’s field. If your mount begins to drift off target, the computer that’s looking through this second camera notices straight away. The computer then sends a...
The first Astroworx telescope is now on the website
Most of you already know that Sidereal Trading is the home of Astroworx, the only telescope factory in Australia. Over the past few years, we’ve been making Newtonian astrographs, developing and refining the design and improving performance. The telescopes Diego has been producing have, until now, been prototypes, rather than a production model. Diego, being...
Macrophotography is the art of getting images of tiny subjects onto a camera sensor. I’ve been asked about getting started in macrophotography, and specifically the least expensive way of getting your first image with the WeMacro Rail. This blog shows you how to go out and get your first image, so I’m going to get down to basics.